625247573250 has 128 divisors (see below), whose sum is σ = 1583031490560. Its totient is φ = 164371939200.

The previous prime is 625247573239. The next prime is 625247573261. The reversal of 625247573250 is 52375742526.

It is an interprime number because it is at equal distance from previous prime (625247573239) and next prime (625247573261).

It is a self number, because there is not a number n which added to its sum of digits gives 625247573250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291761679 + ... + 291763821.

It is an arithmetic number, because the mean of its divisors is an integer number (12367433520).

Almost surely, 2^625247573250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625247573250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791515745280).

625247573250 is an abundant number, since it is smaller than the sum of its proper divisors (957783917310).

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

625247573250 is an frugal number, since it uses more digits than its factorization.

625247573250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 625247573250 in words is "six hundred twenty-five billion, two hundred forty-seven million, five hundred seventy-three thousand, two hundred fifty".