2520606631 has 2 divisors, whose sum is σ = 2520606632. Its totient is φ = 2520606630.

The previous prime is 2520606623. The next prime is 2520606667. The reversal of 2520606631 is 1366060252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520606631 - 2³ = 2520606623 is a prime.

It is a super-2 number, since 2×2520606631² = 12706915576482340322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520606593 and 2520606602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520606691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260303315 + 1260303316.

It is an arithmetic number, because the mean of its divisors is an integer number (1260303316).

Almost surely, 2^2520606631 is an apocalyptic number.

2520606631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520606631 is an equidigital number, since it uses as much as digits as its factorization.

2520606631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2520606631 is about 50205.6434178470. The cubic root of 2520606631 is about 1360.9276094881.

Adding to 2520606631 its reverse (1366060252), we get a palindrome (3886666883).

The spelling of 2520606631 in words is "two billion, five hundred twenty million, six hundred six thousand, six hundred thirty-one".