225515153 has 4 divisors (see below), whose sum is σ = 225568368. Its totient is φ = 225461940.

The previous prime is 225515137. The next prime is 225515167. The reversal of 225515153 is 351515522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225515153 - 2⁴ = 225515137 is a prime.

It is a super-2 number, since 2×225515153² = 101714168465226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225515113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19643 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (56392092).

Almost surely, 2^225515153 is an apocalyptic number.

It is an amenable number.

225515153 is a deficient number, since it is larger than the sum of its proper divisors (53215).

225515153 is an equidigital number, since it uses as much as digits as its factorization.

225515153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53214.

The product of its digits is 7500, while the sum is 29.

The square root of 225515153 is about 15017.1619489170. The cubic root of 225515153 is about 608.6840330931.

The spelling of 225515153 in words is "two hundred twenty-five million, five hundred fifteen thousand, one hundred fifty-three".