2504311263 has 20 divisors (see below), whose sum is σ = 3802343688. Its totient is φ = 1642168080.

The previous prime is 2504311247. The next prime is 2504311279. The reversal of 2504311263 is 3621134052.

2504311263 is a `hidden beast` number, since 2 + 504 + 31 + 126 + 3 = 666.

2504311263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2504311247) and next prime (2504311279).

It is not a de Polignac number, because 2504311263 - 2⁴ = 2504311247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504311213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 248481 + ... + 258362.

Almost surely, 2^2504311263 is an apocalyptic number.

2504311263 is a deficient number, since it is larger than the sum of its proper divisors (1298032425).

2504311263 is an equidigital number, since it uses as much as digits as its factorization.

2504311263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506916 (or 506907 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2504311263 is about 50043.0940590208. The cubic root of 2504311263 is about 1357.9885314726.

The spelling of 2504311263 in words is "two billion, five hundred four million, three hundred eleven thousand, two hundred sixty-three".