522490865 has 16 divisors (see below), whose sum is σ = 675708096. Its totient is φ = 385560000.

The previous prime is 522490849. The next prime is 522490889. The reversal of 522490865 is 568094225.

522490865 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 522490865 - 2⁴ = 522490849 is a prime.

It is a Duffinian 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, 144530 + ... + 148100.

It is an arithmetic number, because the mean of its divisors is an integer number (42231756).

Almost surely, 2^522490865 is an apocalyptic number.

It is an amenable number.

522490865 is a deficient number, since it is larger than the sum of its proper divisors (153217231).

522490865 is a wasteful number, since it uses less digits than its factorization.

522490865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 522490865 is about 22858.0590820831. The cubic root of 522490865 is about 805.4270922713.

The spelling of 522490865 in words is "five hundred twenty-two million, four hundred ninety thousand, eight hundred sixty-five".