525668017 has 4 divisors (see below), whose sum is σ = 600763456. Its totient is φ = 450572580.

The previous prime is 525668009. The next prime is 525668021. The reversal of 525668017 is 710866525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525668017 - 2³ = 525668009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525668027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37547709 + ... + 37547722.

It is an arithmetic number, because the mean of its divisors is an integer number (150190864).

Almost surely, 2^525668017 is an apocalyptic number.

It is an amenable number.

525668017 is a deficient number, since it is larger than the sum of its proper divisors (75095439).

525668017 is an equidigital number, since it uses as much as digits as its factorization.

525668017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75095438.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 525668017 is about 22927.4511666692. The cubic root of 525668017 is about 807.0563360129.

The spelling of 525668017 in words is "five hundred twenty-five million, six hundred sixty-eight thousand, seventeen".