2500855972 has 6 divisors (see below), whose sum is σ = 4376497958. Its totient is φ = 1250427984.

The previous prime is 2500855969. The next prime is 2500855991. The reversal of 2500855972 is 2795580052.

It can be written as a sum of positive squares in only one way, i.e., 2364293376 + 136562596 = 48624^2 + 11686^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312606993 + ... + 312607000.

Almost surely, 2^2500855972 is an apocalyptic number.

It is an amenable number.

2500855972 is a deficient number, since it is larger than the sum of its proper divisors (1875641986).

2500855972 is a wasteful number, since it uses less digits than its factorization.

2500855972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625213997 (or 625213995 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 2500855972 is about 50008.5589874373. The cubic root of 2500855972 is about 1357.3636883208.

The spelling of 2500855972 in words is "two billion, five hundred million, eight hundred fifty-five thousand, nine hundred seventy-two".