2504635631 has 2 divisors, whose sum is σ = 2504635632. Its totient is φ = 2504635630.

The previous prime is 2504635583. The next prime is 2504635697. The reversal of 2504635631 is 1365364052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504635631 is a prime.

It is a super-2 number, since 2×2504635631² = 12546399288149536322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2504635591 and 2504635600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504635031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252317815 + 1252317816.

It is an arithmetic number, because the mean of its divisors is an integer number (1252317816).

Almost surely, 2^2504635631 is an apocalyptic number.

2504635631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504635631 is an equidigital number, since it uses as much as digits as its factorization.

2504635631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2504635631 is about 50046.3348408253. The cubic root of 2504635631 is about 1358.0471595692.

Adding to 2504635631 its reverse (1365364052), we get a palindrome (3869999683).

The spelling of 2504635631 in words is "two billion, five hundred four million, six hundred thirty-five thousand, six hundred thirty-one".