525516601 has 2 divisors, whose sum is σ = 525516602. Its totient is φ = 525516600.

The previous prime is 525516547. The next prime is 525516617. The reversal of 525516601 is 106615525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523311376 + 2205225 = 22876^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 525516601 - 2¹¹ = 525514553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525513601) 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, 262758300 + 262758301.

It is an arithmetic number, because the mean of its divisors is an integer number (262758301).

Almost surely, 2^525516601 is an apocalyptic number.

It is an amenable number.

525516601 is a deficient number, since it is larger than the sum of its proper divisors (1).

525516601 is an equidigital number, since it uses as much as digits as its factorization.

525516601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 525516601 is about 22924.1488609719. The cubic root of 525516601 is about 806.9788390799.

The spelling of 525516601 in words is "five hundred twenty-five million, five hundred sixteen thousand, six hundred one".