5261931 has 6 divisors (see below), whose sum is σ = 7600580. Its totient is φ = 3507948.

The previous prime is 5261923. The next prime is 5261933. The reversal of 5261931 is 1391625.

It is not a de Polignac number, because 5261931 - 2³ = 5261923 is a prime.

It is a super-2 number, since 2×5261931² = 55375835697522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5261895 and 5261904.

It is not an unprimeable number, because it can be changed into a prime (5261933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292321 + ... + 292338.

Almost surely, 2^5261931 is an apocalyptic number.

5261931 is a deficient number, since it is larger than the sum of its proper divisors (2338649).

5261931 is a wasteful number, since it uses less digits than its factorization.

5261931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584665 (or 584662 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5261931 is about 2293.8899276120. The cubic root of 5261931 is about 173.9328912828.

It can be divided in two parts, 52619 and 31, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 5261931 in words is "five million, two hundred sixty-one thousand, nine hundred thirty-one".