5261431 has 4 divisors (see below), whose sum is σ = 6013072. Its totient is φ = 4509792.

The previous prime is 5261429. The next prime is 5261471. The reversal of 5261431 is 1341625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5261431 - 2¹ = 5261429 is a prime.

It is a super-2 number, since 2×5261431² = 55365312335522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375810 + ... + 375823.

It is an arithmetic number, because the mean of its divisors is an integer number (1503268).

Almost surely, 2^5261431 is an apocalyptic number.

5261431 is a deficient number, since it is larger than the sum of its proper divisors (751641).

5261431 is an equidigital number, since it uses as much as digits as its factorization.

5261431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751640.

The product of its digits is 720, while the sum is 22.

The square root of 5261431 is about 2293.7809398458. The cubic root of 5261431 is about 173.9273819492.

The spelling of 5261431 in words is "five million, two hundred sixty-one thousand, four hundred thirty-one".