5136431 has 4 divisors (see below), whose sum is σ = 5438592. Its totient is φ = 4834272.

The previous prime is 5136427. The next prime is 5136437. The reversal of 5136431 is 1346315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5136431 - 2² = 5136427 is a prime.

It is a super-2 number, since 2×5136431² = 52765846835522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5136397 and 5136406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151055 + ... + 151088.

It is an arithmetic number, because the mean of its divisors is an integer number (1359648).

Almost surely, 2^5136431 is an apocalyptic number.

5136431 is a deficient number, since it is larger than the sum of its proper divisors (302161).

5136431 is a wasteful number, since it uses less digits than its factorization.

5136431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302160.

The product of its digits is 1080, while the sum is 23.

The square root of 5136431 is about 2266.3695638620. The cubic root of 5136431 is about 172.5389508065.

The spelling of 5136431 in words is "five million, one hundred thirty-six thousand, four hundred thirty-one".