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513135053 = 647793099
BaseRepresentation
bin11110100101011…
…101000111001101
31022202112221221222
4132211131013031
52022330310203
6122530133125
715500401364
oct3645350715
91282487858
10513135053
11243718a62
12123a211a5
1382403912
144c2147db
15300b0038
hex1e95d1cd

513135053 has 4 divisors (see below), whose sum is σ = 513928800. Its totient is φ = 512341308.

The previous prime is 513135047. The next prime is 513135059. The reversal of 513135053 is 350531315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (513135047) and next prime (513135059).

It is a cyclic number.

It is not a de Polignac number, because 513135053 - 224 = 496357837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513135059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395903 + ... + 397196.

It is an arithmetic number, because the mean of its divisors is an integer number (128482200).

Almost surely, 2513135053 is an apocalyptic number.

It is an amenable number.

513135053 is a deficient number, since it is larger than the sum of its proper divisors (793747).

513135053 is an equidigital number, since it uses as much as digits as its factorization.

513135053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793746.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 513135053 is about 22652.4844774254. The cubic root of 513135053 is about 800.5907371172.

Adding to 513135053 its reverse (350531315), we get a palindrome (863666368).

The spelling of 513135053 in words is "five hundred thirteen million, one hundred thirty-five thousand, fifty-three".

Divisors: 1 647 793099 513135053