625364490 has 32 divisors (see below), whose sum is σ = 1529197056. Its totient is φ = 163616960.

The previous prime is 625364489. The next prime is 625364527. The reversal of 625364490 is 94463526.

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, 195066 + ... + 198245.

It is an arithmetic number, because the mean of its divisors is an integer number (47787408).

Almost surely, 2^625364490 is an apocalyptic number.

625364490 is an abundant number, since it is smaller than the sum of its proper divisors (903832566).

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

625364490 is a wasteful number, since it uses less digits than its factorization.

625364490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393374.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 625364490 is about 25007.2887374861. The cubic root of 625364490 is about 855.1541461415.

The spelling of 625364490 in words is "six hundred twenty-five million, three hundred sixty-four thousand, four hundred ninety".