625247044 has 12 divisors (see below), whose sum is σ = 1109171644. Its totient is φ = 308340864.

The previous prime is 625247017. The next prime is 625247081. The reversal of 625247044 is 440742526.

It can be written as a sum of positive squares in 2 ways, for example, as 188018944 + 437228100 = 13712^2 + 20910^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070337 + ... + 1070920.

Almost surely, 2^625247044 is an apocalyptic number.

It is an amenable number.

625247044 is a deficient number, since it is larger than the sum of its proper divisors (483924600).

625247044 is a wasteful number, since it uses less digits than its factorization.

625247044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141334 (or 2141332 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 625247044 is about 25004.9403918506. The cubic root of 625247044 is about 855.1006089785.

The spelling of 625247044 in words is "six hundred twenty-five million, two hundred forty-seven thousand, forty-four".