525323531 has 2 divisors, whose sum is σ = 525323532. Its totient is φ = 525323530.

The previous prime is 525323527. The next prime is 525323537. The reversal of 525323531 is 135323525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525323531 - 2² = 525323527 is a prime.

It is a super-2 number, since 2×525323531² = 551929624444615922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 525323494 and 525323503.

It is not a weakly prime, because it can be changed into another prime (525323537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262661765 + 262661766.

It is an arithmetic number, because the mean of its divisors is an integer number (262661766).

Almost surely, 2^525323531 is an apocalyptic number.

525323531 is a deficient number, since it is larger than the sum of its proper divisors (1).

525323531 is an equidigital number, since it uses as much as digits as its factorization.

525323531 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 525323531 is about 22919.9374126545. The cubic root of 525323531 is about 806.8800014230.

The spelling of 525323531 in words is "five hundred twenty-five million, three hundred twenty-three thousand, five hundred thirty-one".