520097695 has 16 divisors (see below), whose sum is σ = 693810432. Its totient is φ = 371681280.

The previous prime is 520097681. The next prime is 520097713. The reversal of 520097695 is 596790025.

It is a happy number.

It is not a de Polignac number, because 520097695 - 2⁵ = 520097663 is a prime.

It is a super-2 number, since 2×520097695² = 541003224688626050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127042 + ... + 131071.

It is an arithmetic number, because the mean of its divisors is an integer number (43363152).

Almost surely, 2^520097695 is an apocalyptic number.

520097695 is a deficient number, since it is larger than the sum of its proper divisors (173712737).

520097695 is a wasteful number, since it uses less digits than its factorization.

520097695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258162.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 520097695 is about 22805.6505059601. The cubic root of 520097695 is about 804.1955081545.

The spelling of 520097695 in words is "five hundred twenty million, ninety-seven thousand, six hundred ninety-five".