225524153 has 4 divisors (see below), whose sum is σ = 226045428. Its totient is φ = 225002880.

The previous prime is 225524147. The next prime is 225524179. The reversal of 225524153 is 351425522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30558784 + 194965369 = 5528^2 + 13963^2 .

It is a cyclic number.

It is not a de Polignac number, because 225524153 - 2⁸ = 225523897 is a prime.

It is a super-2 number, since 2×225524153² = 101722287172734818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225524353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259988 + ... + 260853.

It is an arithmetic number, because the mean of its divisors is an integer number (56511357).

Almost surely, 2^225524153 is an apocalyptic number.

It is an amenable number.

225524153 is a deficient number, since it is larger than the sum of its proper divisors (521275).

225524153 is an equidigital number, since it uses as much as digits as its factorization.

225524153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521274.

The product of its digits is 12000, while the sum is 29.

The square root of 225524153 is about 15017.4616030806. The cubic root of 225524153 is about 608.6921302333.

Adding to 225524153 its reverse (351425522), we get a palindrome (576949675).

The spelling of 225524153 in words is "two hundred twenty-five million, five hundred twenty-four thousand, one hundred fifty-three".