5031531 has 16 divisors (see below), whose sum is σ = 7489920. Its totient is φ = 3338280.

The previous prime is 5031497. The next prime is 5031547. The reversal of 5031531 is 1351305.

It is a happy number.

5031531 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5031531 - 2¹⁷ = 4900459 is a prime.

It is a super-2 number, since 2×5031531² = 50632608407922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5031931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (468120).

Almost surely, 2^5031531 is an apocalyptic number.

5031531 is a deficient number, since it is larger than the sum of its proper divisors (2458389).

5031531 is a wasteful number, since it uses less digits than its factorization.

5031531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 5031531 is about 2243.1074428123. The cubic root of 5031531 is about 171.3562900632.

Adding to 5031531 its reverse (1351305), we get a palindrome (6382836).

The spelling of 5031531 in words is "five million, thirty-one thousand, five hundred thirty-one".