5156531 has 4 divisors (see below), whose sum is σ = 5380752. Its totient is φ = 4932312.

The previous prime is 5156527. The next prime is 5156533. The reversal of 5156531 is 1356515.

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 5156531 - 2² = 5156527 is a prime.

It is a super-3 number, since 3×5156531³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156531.

It is not an unprimeable number, because it can be changed into a prime (5156533) 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, 112076 + ... + 112121.

It is an arithmetic number, because the mean of its divisors is an integer number (1345188).

Almost surely, 2^5156531 is an apocalyptic number.

5156531 is a deficient number, since it is larger than the sum of its proper divisors (224221).

5156531 is a wasteful number, since it uses less digits than its factorization.

5156531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224220.

The product of its digits is 2250, while the sum is 26.

The square root of 5156531 is about 2270.7996388938. The cubic root of 5156531 is about 172.7637190026.

The spelling of 5156531 in words is "five million, one hundred fifty-six thousand, five hundred thirty-one".