2505923938 has 32 divisors (see below), whose sum is σ = 4418990208. Its totient is φ = 1043280000.

The previous prime is 2505923923. The next prime is 2505923941. The reversal of 2505923938 is 8393295052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354438 + ... + 361438.

It is an arithmetic number, because the mean of its divisors is an integer number (138093444).

Almost surely, 2^2505923938 is an apocalyptic number.

2505923938 is a deficient number, since it is larger than the sum of its proper divisors (1913066270).

2505923938 is a wasteful number, since it uses less digits than its factorization.

2505923938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2505923938 is about 50059.2043284749. The cubic root of 2505923938 is about 1358.2799654577.

The spelling of 2505923938 in words is "two billion, five hundred five million, nine hundred twenty-three thousand, nine hundred thirty-eight".