525233531 has 2 divisors, whose sum is σ = 525233532. Its totient is φ = 525233530.

The previous prime is 525233521. The next prime is 525233539. The reversal of 525233531 is 135332525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525233531 - 2¹⁰ = 525232507 is a prime.

It is a super-2 number, since 2×525233531² = 551740524173455922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525233494 and 525233503.

It is not a weakly prime, because it can be changed into another prime (525233539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262616765 + 262616766.

It is an arithmetic number, because the mean of its divisors is an integer number (262616766).

Almost surely, 2^525233531 is an apocalyptic number.

525233531 is a deficient number, since it is larger than the sum of its proper divisors (1).

525233531 is an equidigital number, since it uses as much as digits as its factorization.

525233531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 29.

The square root of 525233531 is about 22917.9739724086. The cubic root of 525233531 is about 806.8339197588.

It can be divided in two parts, 5252 and 33531, that added together give a palindrome (38783).

The spelling of 525233531 in words is "five hundred twenty-five million, two hundred thirty-three thousand, five hundred thirty-one".