2530431 has 6 divisors (see below), whose sum is σ = 3655080. Its totient is φ = 1686948.

The previous prime is 2530427. The next prime is 2530441. The reversal of 2530431 is 1340352.

It is not a de Polignac number, because 2530431 - 2² = 2530427 is a prime.

It is a super-2 number, since 2×2530431² = 12806162091522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530441) 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, 140571 + ... + 140588.

It is an arithmetic number, because the mean of its divisors is an integer number (609180).

2^2530431 is an apocalyptic number.

2530431 is a deficient number, since it is larger than the sum of its proper divisors (1124649).

2530431 is a wasteful number, since it uses less digits than its factorization.

2530431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281165 (or 281162 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2530431 is about 1590.7328499783. The cubic root of 2530431 is about 136.2693443903.

Adding to 2530431 its reverse (1340352), we get a palindrome (3870783).

The spelling of 2530431 in words is "two million, five hundred thirty thousand, four hundred thirty-one".