2512131 has 4 divisors (see below), whose sum is σ = 3349512. Its totient is φ = 1674752.

The previous prime is 2512127. The next prime is 2512171. The reversal of 2512131 is 1312152.

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 2512131 - 2² = 2512127 is a prime.

It is a super-2 number, since 2×2512131² = 12621604322322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2512131.

It is not an unprimeable number, because it can be changed into a prime (2512171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418686 + ... + 418691.

It is an arithmetic number, because the mean of its divisors is an integer number (837378).

2^2512131 is an apocalyptic number.

2512131 is a deficient number, since it is larger than the sum of its proper divisors (837381).

2512131 is an equidigital number, since it uses as much as digits as its factorization.

2512131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837380.

The product of its digits is 60, while the sum is 15.

The square root of 2512131 is about 1584.9703467258. The cubic root of 2512131 is about 135.9400507118.

Adding to 2512131 its reverse (1312152), we get a palindrome (3824283).

It can be divided in two parts, 25121 and 31, that added together give a palindrome (25152).

The spelling of 2512131 in words is "two million, five hundred twelve thousand, one hundred thirty-one".