525425807 has 2 divisors, whose sum is σ = 525425808. Its totient is φ = 525425806.

The previous prime is 525425779. The next prime is 525425809. The reversal of 525425807 is 708524525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525425807 - 2⁶ = 525425743 is a prime.

Together with 525425809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525425809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262712903 + 262712904.

It is an arithmetic number, because the mean of its divisors is an integer number (262712904).

Almost surely, 2^525425807 is an apocalyptic number.

525425807 is a deficient number, since it is larger than the sum of its proper divisors (1).

525425807 is an equidigital number, since it uses as much as digits as its factorization.

525425807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 525425807 is about 22922.1684619933. The cubic root of 525425807 is about 806.9323622376.

The spelling of 525425807 in words is "five hundred twenty-five million, four hundred twenty-five thousand, eight hundred seven".