2631251 has 6 divisors (see below), whose sum is σ = 3060900. Its totient is φ = 2255316.

The previous prime is 2631247. The next prime is 2631259. The reversal of 2631251 is 1521362.

It is not a de Polignac number, because 2631251 - 2² = 2631247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26801 + ... + 26898.

It is an arithmetic number, because the mean of its divisors is an integer number (510150).

2^2631251 is an apocalyptic number.

2631251 is a deficient number, since it is larger than the sum of its proper divisors (429649).

2631251 is an equidigital number, since it uses as much as digits as its factorization.

2631251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53713 (or 53706 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2631251 is about 1622.1131279908. The cubic root of 2631251 is about 138.0556206514.

It can be divided in two parts, 2631 and 251, that added together give a palindrome (2882).

The spelling of 2631251 in words is "two million, six hundred thirty-one thousand, two hundred fifty-one".