2560131 has 12 divisors (see below), whose sum is σ = 4226352. Its totient is φ = 1462896.

The previous prime is 2560127. The next prime is 2560139. The reversal of 2560131 is 1310652.

It is not a de Polignac number, because 2560131 - 2² = 2560127 is a prime.

It is a super-2 number, since 2×2560131² = 13108541474322, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2560139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20256 + ... + 20381.

It is an arithmetic number, because the mean of its divisors is an integer number (352196).

2^2560131 is an apocalyptic number.

2560131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2560131 is a deficient number, since it is larger than the sum of its proper divisors (1666221).

2560131 is a wasteful number, since it uses less digits than its factorization.

2560131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40650 (or 40647 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2560131 is about 1600.0409369763. The cubic root of 2560131 is about 136.8004090990.

Adding to 2560131 its reverse (1310652), we get a palindrome (3870783).

The spelling of 2560131 in words is "two million, five hundred sixty thousand, one hundred thirty-one".