5206531 has 4 divisors (see below), whose sum is σ = 5679864. Its totient is φ = 4733200.

The previous prime is 5206511. The next prime is 5206541. The reversal of 5206531 is 1356025.

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 5206531 - 2¹⁷ = 5075459 is a prime.

It is a super-2 number, since 2×5206531² = 54215930107922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5206511) 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, 236650 + ... + 236671.

It is an arithmetic number, because the mean of its divisors is an integer number (1419966).

Almost surely, 2^5206531 is an apocalyptic number.

5206531 is a deficient number, since it is larger than the sum of its proper divisors (473333).

5206531 is a wasteful number, since it uses less digits than its factorization.

5206531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473332.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5206531 is about 2281.7824173220. The cubic root of 5206531 is about 173.3203215907.

The spelling of 5206531 in words is "five million, two hundred six thousand, five hundred thirty-one".