225025531 has 8 divisors (see below), whose sum is σ = 237427200. Its totient is φ = 212679720.

The previous prime is 225025517. The next prime is 225025543. The reversal of 225025531 is 135520522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225025531 - 2⁵ = 225025499 is a prime.

It is a super-2 number, since 2×225025531² = 101272979203663922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225025496 and 225025505.

It is not an unprimeable number, because it can be changed into a prime (225025501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 21928.

It is an arithmetic number, because the mean of its divisors is an integer number (29678400).

Almost surely, 2^225025531 is an apocalyptic number.

225025531 is a deficient number, since it is larger than the sum of its proper divisors (12401669).

225025531 is a wasteful number, since it uses less digits than its factorization.

225025531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27929.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 225025531 is about 15000.8510091928. The cubic root of 225025531 is about 608.2432038279.

The spelling of 225025531 in words is "two hundred twenty-five million, twenty-five thousand, five hundred thirty-one".