513622065 has 32 divisors (see below), whose sum is σ = 898200576. Its totient is φ = 248557760.

The previous prime is 513622007. The next prime is 513622069. The reversal of 513622065 is 560226315.

It is not a de Polignac number, because 513622065 - 2⁶ = 513622001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513622069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94204 + ... + 99506.

It is an arithmetic number, because the mean of its divisors is an integer number (28068768).

Almost surely, 2^513622065 is an apocalyptic number.

513622065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513622065 is a deficient number, since it is larger than the sum of its proper divisors (384578511).

513622065 is a wasteful number, since it uses less digits than its factorization.

513622065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 513622065 is about 22663.2315656881. The cubic root of 513622065 is about 800.8439349251.

The spelling of 513622065 in words is "five hundred thirteen million, six hundred twenty-two thousand, sixty-five".