5165261431 has 12 divisors (see below), whose sum is σ = 5757493392. Its totient is φ = 4629548000.

The previous prime is 5165261417. The next prime is 5165261443. The reversal of 5165261431 is 1341625615.

It is not a de Polignac number, because 5165261431 - 2¹⁷ = 5165130359 is a prime.

It is a super-2 number, since 2×5165261431² = 53359851301152335522, 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 (5165261401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292030 + ... + 309211.

It is an arithmetic number, because the mean of its divisors is an integer number (479791116).

Almost surely, 2^5165261431 is an apocalyptic number.

5165261431 is a deficient number, since it is larger than the sum of its proper divisors (592231961).

5165261431 is a wasteful number, since it uses less digits than its factorization.

5165261431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601334 (or 601323 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 5165261431 is about 71869.7532415410. The cubic root of 5165261431 is about 1728.6116508940.

The spelling of 5165261431 in words is "five billion, one hundred sixty-five million, two hundred sixty-one thousand, four hundred thirty-one".