2503972 has 24 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 1159200.

The previous prime is 2503961. The next prime is 2503979. The reversal of 2503972 is 2793052.

It is a self number, because there is not a number n which added to its sum of digits gives 2503972.

It is not an unprimeable number, because it can be changed into a prime (2503979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2503972 is an apocalyptic number.

It is an amenable number.

2503972 is a deficient number, since it is larger than the sum of its proper divisors (2213468).

2503972 is a wasteful number, since it uses less digits than its factorization.

2503972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2503972 is about 1582.3943882610. The cubic root of 2503972 is about 135.7927205753.

The spelling of 2503972 in words is "two million, five hundred three thousand, nine hundred seventy-two".