625224500 has 24 divisors (see below), whose sum is σ = 1365491400. Its totient is φ = 250089600.

The previous prime is 625224493. The next prime is 625224533. The reversal of 625224500 is 5422526.

It can be written as a sum of positive squares in 4 ways, for example, as 144913444 + 480311056 = 12038^2 + 21916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 625224500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624725 + ... + 625724.

It is an arithmetic number, because the mean of its divisors is an integer number (56895475).

Almost surely, 2^625224500 is an apocalyptic number.

It is an amenable number.

625224500 is an abundant number, since it is smaller than the sum of its proper divisors (740266900).

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

625224500 is a wasteful number, since it uses less digits than its factorization.

625224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250468 (or 1250456 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 625224500 is about 25004.4895968704. The cubic root of 625224500 is about 855.0903316436.

The spelling of 625224500 in words is "six hundred twenty-five million, two hundred twenty-four thousand, five hundred".