2531151 has 12 divisors (see below), whose sum is σ = 4178512. Its totient is φ = 1446336.

The previous prime is 2531117. The next prime is 2531167. The reversal of 2531151 is 1511352.

It is not a de Polignac number, because 2531151 - 2¹⁴ = 2514767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531101) 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, 20026 + ... + 20151.

2^2531151 is an apocalyptic number.

2531151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2531151 is a deficient number, since it is larger than the sum of its proper divisors (1647361).

2531151 is a wasteful number, since it uses less digits than its factorization.

2531151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40190 (or 40187 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 2531151 is about 1590.9591446671. The cubic root of 2531151 is about 136.2822676991.

It can be divided in two parts, 253115 and 1, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 2531151 in words is "two million, five hundred thirty-one thousand, one hundred fifty-one".