625864020522 has 16 divisors (see below), whose sum is σ = 1348014813600. Its totient is φ = 192573544752.

The previous prime is 625864020499. The next prime is 625864020527. The reversal of 625864020522 is 225020468526.

It is not an unprimeable number, because it can be changed into a prime (625864020527) 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 7 ways as a sum of consecutive naturals, for example, 4011948772 + ... + 4011948927.

It is an arithmetic number, because the mean of its divisors is an integer number (84250925850).

Almost surely, 2^625864020522 is an apocalyptic number.

625864020522 is an abundant number, since it is smaller than the sum of its proper divisors (722150793078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625864020522 is a wasteful number, since it uses less digits than its factorization.

625864020522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023897717.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 625864020522 in words is "six hundred twenty-five billion, eight hundred sixty-four million, twenty thousand, five hundred twenty-two".