225652523523 has 64 divisors (see below), whose sum is σ = 350496571392. Its totient is φ = 126482083200.

The previous prime is 225652523513. The next prime is 225652523527. The reversal of 225652523523 is 325325256522.

It is not a de Polignac number, because 225652523523 - 2²⁸ = 225384088067 is a prime.

It is a super-2 number, since 2×225652523523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225652523527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126556890 + ... + 126558672.

It is an arithmetic number, because the mean of its divisors is an integer number (5476508928).

Almost surely, 2^225652523523 is an apocalyptic number.

225652523523 is a deficient number, since it is larger than the sum of its proper divisors (124844047869).

225652523523 is a wasteful number, since it uses less digits than its factorization.

225652523523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its digits is 1080000, while the sum is 42.

The spelling of 225652523523 in words is "two hundred twenty-five billion, six hundred fifty-two million, five hundred twenty-three thousand, five hundred twenty-three".