525315697 has 2 divisors, whose sum is σ = 525315698. Its totient is φ = 525315696.

The previous prime is 525315683. The next prime is 525315719. The reversal of 525315697 is 796513525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514563856 + 10751841 = 22684^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 525315697 - 2²⁷ = 391097969 is a prime.

It is not a weakly prime, because it can be changed into another prime (525315617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262657848 + 262657849.

It is an arithmetic number, because the mean of its divisors is an integer number (262657849).

Almost surely, 2^525315697 is an apocalyptic number.

It is an amenable number.

525315697 is a deficient number, since it is larger than the sum of its proper divisors (1).

525315697 is an equidigital number, since it uses as much as digits as its factorization.

525315697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 43.

The square root of 525315697 is about 22919.7665127723. The cubic root of 525315697 is about 806.8759904793.

The spelling of 525315697 in words is "five hundred twenty-five million, three hundred fifteen thousand, six hundred ninety-seven".