525375997 has 2 divisors, whose sum is σ = 525375998. Its totient is φ = 525375996.

The previous prime is 525375979. The next prime is 525376031. The reversal of 525375997 is 799573525.

Together with previous prime (525375979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498450276 + 26925721 = 22326^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 525375997 - 2¹¹ = 525373949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525372997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262687998 + 262687999.

It is an arithmetic number, because the mean of its divisors is an integer number (262687999).

Almost surely, 2^525375997 is an apocalyptic number.

It is an amenable number.

525375997 is a deficient number, since it is larger than the sum of its proper divisors (1).

525375997 is an equidigital number, since it uses as much as digits as its factorization.

525375997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2976750, while the sum is 52.

The square root of 525375997 is about 22921.0819334516. The cubic root of 525375997 is about 806.9068625567.

The spelling of 525375997 in words is "five hundred twenty-five million, three hundred seventy-five thousand, nine hundred ninety-seven".