2531265 has 48 divisors (see below), whose sum is σ = 4777920. Its totient is φ = 1133440.

The previous prime is 2531261. The next prime is 2531267. The reversal of 2531265 is 5621352.

It is not a de Polignac number, because 2531265 - 2² = 2531261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2531261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87271 + ... + 87299.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2^2531265 is an apocalyptic number.

It is an amenable number.

2531265 is a deficient number, since it is larger than the sum of its proper divisors (2246655).

2531265 is a wasteful number, since it uses less digits than its factorization.

2531265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 71 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 2531265 is about 1590.9949717080. The cubic root of 2531265 is about 136.2843136649.

The spelling of 2531265 in words is "two million, five hundred thirty-one thousand, two hundred sixty-five".