5257531 has 2 divisors, whose sum is σ = 5257532. Its totient is φ = 5257530.

The previous prime is 5257519. The next prime is 5257541. The reversal of 5257531 is 1357525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5257531 - 2¹⁹ = 4733243 is a prime.

It is a super-2 number, since 2×5257531² = 55283264431922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5257531.

It is not a weakly prime, because it can be changed into another prime (5257541) 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 as a sum of consecutive naturals, namely, 2628765 + 2628766.

It is an arithmetic number, because the mean of its divisors is an integer number (2628766).

Almost surely, 2^5257531 is an apocalyptic number.

5257531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257531 is an equidigital number, since it uses as much as digits as its factorization.

5257531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 28.

The square root of 5257531 is about 2292.9306574775. The cubic root of 5257531 is about 173.8843971631.

The spelling of 5257531 in words is "five million, two hundred fifty-seven thousand, five hundred thirty-one".