523625243 has 4 divisors (see below), whose sum is σ = 523754088. Its totient is φ = 523496400.

The previous prime is 523625231. The next prime is 523625251. The reversal of 523625243 is 342526325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523625243 - 2²⁰ = 522576667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523625273) 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, 58121 + ... + 66522.

It is an arithmetic number, because the mean of its divisors is an integer number (130938522).

Almost surely, 2^523625243 is an apocalyptic number.

523625243 is a deficient number, since it is larger than the sum of its proper divisors (128845).

523625243 is a wasteful number, since it uses less digits than its factorization.

523625243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128844.

The product of its digits is 43200, while the sum is 32.

The square root of 523625243 is about 22882.8591526496. The cubic root of 523625243 is about 806.0095575466.

The spelling of 523625243 in words is "five hundred twenty-three million, six hundred twenty-five thousand, two hundred forty-three".