2571172 has 12 divisors (see below), whose sum is σ = 4512816. Its totient is φ = 1281800.

The previous prime is 2571139. The next prime is 2571181. The reversal of 2571172 is 2711752.

It is a happy number.

It is a super-2 number, since 2×2571172² = 13221850907168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (376068).

2^2571172 is an apocalyptic number.

It is an amenable number.

2571172 is a deficient number, since it is larger than the sum of its proper divisors (1941644).

2571172 is a wasteful number, since it uses less digits than its factorization.

2571172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1896 counting only the distinct ones).

The product of its digits is 980, while the sum is 25.

The square root of 2571172 is about 1603.4874492805. The cubic root of 2571172 is about 136.9967854042.

The spelling of 2571172 in words is "two million, five hundred seventy-one thousand, one hundred seventy-two".