625163250 has 64 divisors (see below), whose sum is σ = 1564063488. Its totient is φ = 166320000.

The previous prime is 625163243. The next prime is 625163269. The reversal of 625163250 is 52361526.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472590 + ... + 473910.

It is an arithmetic number, because the mean of its divisors is an integer number (24438492).

Almost surely, 2^625163250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625163250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782031744).

625163250 is an abundant number, since it is smaller than the sum of its proper divisors (938900238).

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

625163250 is a wasteful number, since it uses less digits than its factorization.

625163250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 625163250 is about 25003.2647868233. The cubic root of 625163250 is about 855.0624078108.

The spelling of 625163250 in words is "six hundred twenty-five million, one hundred sixty-three thousand, two hundred fifty".