225204531 has 8 divisors (see below), whose sum is σ = 300751104. Its totient is φ = 149897160.

The previous prime is 225204521. The next prime is 225204547. The reversal of 225204531 is 135402522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225204531 - 2⁶ = 225204467 is a prime.

It is a super-2 number, since 2×225204531² = 101434161565859922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225204521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57591 + ... + 61376.

It is an arithmetic number, because the mean of its divisors is an integer number (37593888).

Almost surely, 2^225204531 is an apocalyptic number.

225204531 is a deficient number, since it is larger than the sum of its proper divisors (75546573).

225204531 is a wasteful number, since it uses less digits than its factorization.

225204531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119601.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225204531 is about 15006.8161513360. The cubic root of 225204531 is about 608.4044398690.

The spelling of 225204531 in words is "two hundred twenty-five million, two hundred four thousand, five hundred thirty-one".