2551172 has 24 divisors (see below), whose sum is σ = 4882752. Its totient is φ = 1159200.

The previous prime is 2551169. The next prime is 2551177. The reversal of 2551172 is 2711552.

It is a happy number.

2551172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2551177) 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 7 ways as a sum of consecutive naturals, for example, 3347 + ... + 4037.

It is an arithmetic number, because the mean of its divisors is an integer number (203448).

2^2551172 is an apocalyptic number.

It is an amenable number.

2551172 is a deficient number, since it is larger than the sum of its proper divisors (2331580).

2551172 is a wasteful number, since it uses less digits than its factorization.

2551172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 2551172 is about 1597.2388675461. The cubic root of 2551172 is about 136.6406480973.

The spelling of 2551172 in words is "two million, five hundred fifty-one thousand, one hundred seventy-two".