2530957 has 12 divisors (see below), whose sum is σ = 2997820. Its totient is φ = 2122560.

The previous prime is 2530921. The next prime is 2530961. The reversal of 2530957 is 7590352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 958441 = 1254^2 + 979^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2530957 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 (2530907) 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, 769 + ... + 2377.

2^2530957 is an apocalyptic number.

It is an amenable number.

2530957 is a deficient number, since it is larger than the sum of its proper divisors (466863).

2530957 is a wasteful number, since it uses less digits than its factorization.

2530957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 2530957 is about 1590.8981739885. The cubic root of 2530957 is about 136.2787858266.

The spelling of 2530957 in words is "two million, five hundred thirty thousand, nine hundred fifty-seven".