2504531 has 2 divisors, whose sum is σ = 2504532. Its totient is φ = 2504530.

The previous prime is 2504519. The next prime is 2504543. The reversal of 2504531 is 1354052.

It is a balanced prime because it is at equal distance from previous prime (2504519) and next prime (2504543).

It is a cyclic number.

It is not a de Polignac number, because 2504531 - 2¹⁰ = 2503507 is a prime.

It is a super-2 number, since 2×2504531² = 12545351059922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2504501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252265 + 1252266.

It is an arithmetic number, because the mean of its divisors is an integer number (1252266).

2^2504531 is an apocalyptic number.

2504531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504531 is an equidigital number, since it uses as much as digits as its factorization.

2504531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2504531 is about 1582.5710094653. The cubic root of 2504531 is about 135.8028248527.

Adding to 2504531 its reverse (1354052), we get a palindrome (3858583).

The spelling of 2504531 in words is "two million, five hundred four thousand, five hundred thirty-one".