2500256624 has 20 divisors (see below), whose sum is σ = 4845817080. Its totient is φ = 1249723200.

The previous prime is 2500256617. The next prime is 2500256651. The reversal of 2500256624 is 4266520052.

It is a congruent number.

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, 29147 + ... + 76485.

It is an arithmetic number, because the mean of its divisors is an integer number (242290854).

Almost surely, 2^2500256624 is an apocalyptic number.

It is an amenable number.

2500256624 is a deficient number, since it is larger than the sum of its proper divisors (2345560456).

2500256624 is a wasteful number, since it uses less digits than its factorization.

2500256624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50648 (or 50642 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2500256624 is about 50002.5661741475. The cubic root of 2500256624 is about 1357.2552456890.

Adding to 2500256624 its reverse (4266520052), we get a palindrome (6766776676).

The spelling of 2500256624 in words is "two billion, five hundred million, two hundred fifty-six thousand, six hundred twenty-four".