525431723 has 2 divisors, whose sum is σ = 525431724. Its totient is φ = 525431722.

The previous prime is 525431707. The next prime is 525431729. The reversal of 525431723 is 327134525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525431723 - 2⁴ = 525431707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525431723.

It is not a weakly prime, because it can be changed into another prime (525431729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262715861 + 262715862.

It is an arithmetic number, because the mean of its divisors is an integer number (262715862).

Almost surely, 2^525431723 is an apocalyptic number.

525431723 is a deficient number, since it is larger than the sum of its proper divisors (1).

525431723 is an equidigital number, since it uses as much as digits as its factorization.

525431723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 525431723 is about 22922.2975070127. The cubic root of 525431723 is about 806.9353907615.

The spelling of 525431723 in words is "five hundred twenty-five million, four hundred thirty-one thousand, seven hundred twenty-three".