2517872 has 20 divisors (see below), whose sum is σ = 5575536. Its totient is φ = 1079040.

The previous prime is 2517869. The next prime is 2517877. The reversal of 2517872 is 2787152.

2517872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11129 + ... + 11352.

2^2517872 is an apocalyptic number.

It is an amenable number.

2517872 is an abundant number, since it is smaller than the sum of its proper divisors (3057664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2517872 is a wasteful number, since it uses less digits than its factorization.

2517872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22496 (or 22490 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 2517872 is about 1586.7803880815. The cubic root of 2517872 is about 136.0435270134.

The spelling of 2517872 in words is "two million, five hundred seventeen thousand, eight hundred seventy-two".