5111631 has 36 divisors (see below), whose sum is σ = 8767512. Its totient is φ = 2860704.

The previous prime is 5111599. The next prime is 5111641. The reversal of 5111631 is 1361115.

It is not a de Polignac number, because 5111631 - 2⁵ = 5111599 is a prime.

It is a super-2 number, since 2×5111631² = 52257542960322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29461 + ... + 29633.

It is an arithmetic number, because the mean of its divisors is an integer number (243542).

Almost surely, 2^5111631 is an apocalyptic number.

5111631 is a deficient number, since it is larger than the sum of its proper divisors (3655881).

5111631 is a wasteful number, since it uses less digits than its factorization.

5111631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 250 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 5111631 is about 2260.8916382702. The cubic root of 5111631 is about 172.2608153230.

Adding to 5111631 its reverse (1361115), we get a palindrome (6472746).

The spelling of 5111631 in words is "five million, one hundred eleven thousand, six hundred thirty-one".