625650256 has 80 divisors (see below), whose sum is σ = 1515760128. Its totient is φ = 243043200.

The previous prime is 625650253. The next prime is 625650271. The reversal of 625650256 is 652056526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625650253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643851 + ... + 644821.

Almost surely, 2^625650256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625650256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757880064).

625650256 is an abundant number, since it is smaller than the sum of its proper divisors (890109872).

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

625650256 is a wasteful number, since it uses less digits than its factorization.

625650256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 625650256 is about 25013.0017390956. The cubic root of 625650256 is about 855.2843831314.

The spelling of 625650256 in words is "six hundred twenty-five million, six hundred fifty thousand, two hundred fifty-six".