625937500 has 48 divisors (see below), whose sum is σ = 1369918368. Its totient is φ = 250250000.

The previous prime is 625937497. The next prime is 625937503. The reversal of 625937500 is 5739526.

It is an interprime number because it is at equal distance from previous prime (625937497) and next prime (625937503).

It is a self number, because there is not a number n which added to its sum of digits gives 625937500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625937503) 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, 311499 + ... + 313501.

It is an arithmetic number, because the mean of its divisors is an integer number (28539966).

Almost surely, 2^625937500 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 625937500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684959184).

625937500 is an abundant number, since it is smaller than the sum of its proper divisors (743980868).

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

625937500 is an frugal number, since it uses more digits than its factorization.

625937500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 625937500 is about 25018.7429740185. The cubic root of 625937500 is about 855.4152537560.

The spelling of 625937500 in words is "six hundred twenty-five million, nine hundred thirty-seven thousand, five hundred".