5002631561 has 2 divisors, whose sum is σ = 5002631562. Its totient is φ = 5002631560.

The previous prime is 5002631551. The next prime is 5002631591. The reversal of 5002631561 is 1651362005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3296941561 + 1705690000 = 57419^2 + 41300^2 .

It is a cyclic number.

It is not a de Polignac number, because 5002631561 - 2¹⁸ = 5002369417 is a prime.

It is a super-2 number, since 2×5002631561² = 50052645070226593442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5002631521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501315780 + 2501315781.

It is an arithmetic number, because the mean of its divisors is an integer number (2501315781).

Almost surely, 2^5002631561 is an apocalyptic number.

It is an amenable number.

5002631561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5002631561 is an equidigital number, since it uses as much as digits as its factorization.

5002631561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5002631561 is about 70729.2836171836. The cubic root of 5002631561 is about 1710.2758877961.

Adding to 5002631561 its reverse (1651362005), we get a palindrome (6653993566).

The spelling of 5002631561 in words is "five billion, two million, six hundred thirty-one thousand, five hundred sixty-one".