225325535314521 has 32 divisors (see below), whose sum is σ = 301941616204800. Its totient is φ = 149464909198080.

The previous prime is 225325535314519. The next prime is 225325535314559. The reversal of 225325535314521 is 125413535523522.

It is not a de Polignac number, because 225325535314521 - 2¹ = 225325535314519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225325535314571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708745131 + ... + 1708876991.

It is an arithmetic number, because the mean of its divisors is an integer number (9435675506400).

Almost surely, 2^{225325535314521} is an apocalyptic number.

It is an amenable number.

225325535314521 is a deficient number, since it is larger than the sum of its proper divisors (76616080890279).

225325535314521 is a wasteful number, since it uses less digits than its factorization.

225325535314521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135009.

The product of its digits is 5400000, while the sum is 48.

The spelling of 225325535314521 in words is "two hundred twenty-five trillion, three hundred twenty-five billion, five hundred thirty-five million, three hundred fourteen thousand, five hundred twenty-one".