523625565 has 16 divisors (see below), whose sum is σ = 840832128. Its totient is φ = 278256576.

The previous prime is 523625549. The next prime is 523625593. The reversal of 523625565 is 565526325.

It is not a de Polignac number, because 523625565 - 2⁴ = 523625549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58857 + ... + 67166.

It is an arithmetic number, because the mean of its divisors is an integer number (52552008).

Almost surely, 2^523625565 is an apocalyptic number.

It is an amenable number.

523625565 is a deficient number, since it is larger than the sum of its proper divisors (317206563).

523625565 is a wasteful number, since it uses less digits than its factorization.

523625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126308.

The product of its digits is 270000, while the sum is 39.

The square root of 523625565 is about 22882.8661884826. The cubic root of 523625565 is about 806.0097227634.

The spelling of 523625565 in words is "five hundred twenty-three million, six hundred twenty-five thousand, five hundred sixty-five".