2500172 has 24 divisors (see below), whose sum is σ = 4683840. Its totient is φ = 1164240.

The previous prime is 2500171. The next prime is 2500187. The reversal of 2500172 is 2710052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500172.

It is not an unprimeable number, because it can be changed into a prime (2500171) 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, 4847 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (195160).

2^2500172 is an apocalyptic number.

It is an amenable number.

2500172 is a deficient number, since it is larger than the sum of its proper divisors (2183668).

2500172 is a wasteful number, since it uses less digits than its factorization.

2500172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2500172 is about 1581.1932203244. The cubic root of 2500172 is about 135.7239932906.

The spelling of 2500172 in words is "two million, five hundred thousand, one hundred seventy-two".