525604091 has 8 divisors (see below), whose sum is σ = 544076400. Its totient is φ = 507155040.

The previous prime is 525604067. The next prime is 525604111. The reversal of 525604091 is 190406525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525604091 - 2²⁶ = 458495227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525604031) 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 in 7 ways as a sum of consecutive naturals, for example, 49100 + ... + 58838.

It is an arithmetic number, because the mean of its divisors is an integer number (68009550).

Almost surely, 2^525604091 is an apocalyptic number.

525604091 is a deficient number, since it is larger than the sum of its proper divisors (18472309).

525604091 is a wasteful number, since it uses less digits than its factorization.

525604091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11629.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 525604091 is about 22926.0570312472. The cubic root of 525604091 is about 807.0236195625.

The spelling of 525604091 in words is "five hundred twenty-five million, six hundred four thousand, ninety-one".