5115531 has 8 divisors (see below), whose sum is σ = 6864784. Its totient is φ = 3388320.

The previous prime is 5115511. The next prime is 5115533. The reversal of 5115531 is 1355115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5115531 - 2¹⁰ = 5114507 is a prime.

It is a super-2 number, since 2×5115531² = 52337314823922, 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 = 5115498 and 5115507.

It is not an unprimeable number, because it can be changed into a prime (5115533) 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 7 ways as a sum of consecutive naturals, for example, 4960 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (858098).

Almost surely, 2^5115531 is an apocalyptic number.

5115531 is a deficient number, since it is larger than the sum of its proper divisors (1749253).

5115531 is a wasteful number, since it uses less digits than its factorization.

5115531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021.

The product of its digits is 375, while the sum is 21.

The square root of 5115531 is about 2261.7539653994. The cubic root of 5115531 is about 172.3046138936.

The spelling of 5115531 in words is "five million, one hundred fifteen thousand, five hundred thirty-one".