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13325053 = 71903579
BaseRepresentation
bin110010110101…
…001011111101
3221001222112111
4302311023331
511402400203
61153334021
7221155360
oct62651375
927058474
1013325053
117581345
124567311
1329b7161
141aac0d7
15128326d
hexcb52fd

13325053 has 4 divisors (see below), whose sum is σ = 15228640. Its totient is φ = 11421468.

The previous prime is 13325051. The next prime is 13325057. The reversal of 13325053 is 35052331.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35052331 = 154322717.

It is a cyclic number.

It is not a de Polignac number, because 13325053 - 21 = 13325051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951783 + ... + 951796.

It is an arithmetic number, because the mean of its divisors is an integer number (3807160).

Almost surely, 213325053 is an apocalyptic number.

It is an amenable number.

13325053 is a deficient number, since it is larger than the sum of its proper divisors (1903587).

13325053 is an equidigital number, since it uses as much as digits as its factorization.

13325053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903586.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 13325053 is about 3650.3497092744. The cubic root of 13325053 is about 237.0771230307.

Adding to 13325053 its reverse (35052331), we get a palindrome (48377384).

The spelling of 13325053 in words is "thirteen million, three hundred twenty-five thousand, fifty-three".

Divisors: 1 7 1903579 13325053