2520235631 has 2 divisors, whose sum is σ = 2520235632. Its totient is φ = 2520235630.

The previous prime is 2520235607. The next prime is 2520235651. The reversal of 2520235631 is 1365320252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520235631 is a prime.

It is a super-2 number, since 2×2520235631² = 12703175271523936322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520235594 and 2520235603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520235651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260117815 + 1260117816.

It is an arithmetic number, because the mean of its divisors is an integer number (1260117816).

Almost surely, 2^2520235631 is an apocalyptic number.

2520235631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520235631 is an equidigital number, since it uses as much as digits as its factorization.

2520235631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2520235631 is about 50201.9484781218. The cubic root of 2520235631 is about 1360.8608360230.

Adding to 2520235631 its reverse (1365320252), we get a palindrome (3885555883).

The spelling of 2520235631 in words is "two billion, five hundred twenty million, two hundred thirty-five thousand, six hundred thirty-one".