625422597365 has 8 divisors (see below), whose sum is σ = 762810512568. Its totient is φ = 492135814080.

The previous prime is 625422597353. The next prime is 625422597421. The reversal of 625422597365 is 563795224526.

It can be written as a sum of positive squares in 4 ways, for example, as 77788556836 + 547634040529 = 278906^2 + 740023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625422597365 - 2²⁶ = 625355488501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625422597365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025282642 + ... + 1025283251.

It is an arithmetic number, because the mean of its divisors is an integer number (95351314071).

Almost surely, 2^625422597365 is an apocalyptic number.

It is an amenable number.

625422597365 is a deficient number, since it is larger than the sum of its proper divisors (137387915203).

625422597365 is a wasteful number, since it uses less digits than its factorization.

625422597365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050565959.

The product of its digits is 27216000, while the sum is 56.

The spelling of 625422597365 in words is "six hundred twenty-five billion, four hundred twenty-two million, five hundred ninety-seven thousand, three hundred sixty-five".