5109631 has 2 divisors, whose sum is σ = 5109632. Its totient is φ = 5109630.

The previous prime is 5109617. The next prime is 5109661. The reversal of 5109631 is 1369015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5109631 - 2¹⁷ = 4978559 is a prime.

It is a super-2 number, since 2×5109631² = 52216657912322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5109596 and 5109605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5109661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554815 + 2554816.

It is an arithmetic number, because the mean of its divisors is an integer number (2554816).

Almost surely, 2^5109631 is an apocalyptic number.

5109631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5109631 is an equidigital number, since it uses as much as digits as its factorization.

5109631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 5109631 is about 2260.4492916232. The cubic root of 5109631 is about 172.2383458755.

The spelling of 5109631 in words is "five million, one hundred nine thousand, six hundred thirty-one".