2457131 has 4 divisors (see below), whose sum is σ = 2463264. Its totient is φ = 2451000.

The previous prime is 2457127. The next prime is 2457139. The reversal of 2457131 is 1317542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2457131 - 2² = 2457127 is a prime.

It is a super-2 number, since 2×2457131² = 12074985502322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2457097 and 2457106.

It is not an unprimeable number, because it can be changed into a prime (2457139) 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, 2420 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (615816).

2^2457131 is an apocalyptic number.

2457131 is a deficient number, since it is larger than the sum of its proper divisors (6133).

2457131 is an equidigital number, since it uses as much as digits as its factorization.

2457131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its digits is 840, while the sum is 23.

The square root of 2457131 is about 1567.5238435188. The cubic root of 2457131 is about 134.9406414855.

The spelling of 2457131 in words is "two million, four hundred fifty-seven thousand, one hundred thirty-one".