225252323252523 has 36 divisors (see below), whose sum is σ = 383045258880648. Its totient is φ = 127164822744960.

The previous prime is 225252323252519. The next prime is 225252323252557. The reversal of 225252323252523 is 325252323252522.

225252323252523 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 52 + 3 + 23 + 2 + 52 + 523 = 666.

It is not a de Polignac number, because 225252323252523 - 2² = 225252323252519 is a prime.

It is a super-2 number, since 2×225252323252523² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225252323252513) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3076928718 + ... + 3077001923.

It is an arithmetic number, because the mean of its divisors is an integer number (10640146080018).

Almost surely, 2^{225252323252523} is an apocalyptic number.

225252323252523 is a deficient number, since it is larger than the sum of its proper divisors (157792935628125).

225252323252523 is a wasteful number, since it uses less digits than its factorization.

225252323252523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153930744 (or 6153930734 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 45.

Subtracting 225252323252523 from its reverse (325252323252522), we obtain a palindrome (99999999999999).

The spelling of 225252323252523 in words is "two hundred twenty-five trillion, two hundred fifty-two billion, three hundred twenty-three million, two hundred fifty-two thousand, five hundred twenty-three".