2957131 has 4 divisors (see below), whose sum is σ = 2961000. Its totient is φ = 2953264.

The previous prime is 2957111. The next prime is 2957161. The reversal of 2957131 is 1317592.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2957131 - 2¹⁷ = 2826059 is a prime.

It is a super-2 number, since 2×2957131² = 17489247502322, which contains 22 as substring.

It is a Duffinian number.

2957131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2957131.

It is not an unprimeable number, because it can be changed into a prime (2957111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (740250).

2^2957131 is an apocalyptic number.

2957131 is a deficient number, since it is larger than the sum of its proper divisors (3869).

2957131 is a wasteful number, since it uses less digits than its factorization.

2957131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its digits is 1890, while the sum is 28.

The square root of 2957131 is about 1719.6310650834. The cubic root of 2957131 is about 143.5346830661.

The spelling of 2957131 in words is "two million, nine hundred fifty-seven thousand, one hundred thirty-one".