225533525 has 36 divisors (see below), whose sum is σ = 335871360. Its totient is φ = 149637600.

The previous prime is 225533519. The next prime is 225533533. The reversal of 225533525 is 525335522.

It is a happy number.

It is not a de Polignac number, because 225533525 - 2²² = 221339221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225533491 and 225533500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35006 + ... + 40944.

It is an arithmetic number, because the mean of its divisors is an integer number (9329760).

Almost surely, 2^225533525 is an apocalyptic number.

225533525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225533525 is a deficient number, since it is larger than the sum of its proper divisors (110337835).

225533525 is a wasteful number, since it uses less digits than its factorization.

225533525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5982 counting only the distinct ones).

The product of its digits is 45000, while the sum is 32.

The square root of 225533525 is about 15017.7736365947. The cubic root of 225533525 is about 608.7005618263.

The spelling of 225533525 in words is "two hundred twenty-five million, five hundred thirty-three thousand, five hundred twenty-five".