225347553 has 6 divisors (see below), whose sum is σ = 325502034. Its totient is φ = 150231696.

The previous prime is 225347513. The next prime is 225347561. The reversal of 225347553 is 355743522.

225347553 is a `hidden beast` number, since 2 + 2 + 534 + 75 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117353889 + 107993664 = 10833^2 + 10392^2 .

It is not a de Polignac number, because 225347553 - 2²² = 221153249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225347503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12519300 + ... + 12519317.

It is an arithmetic number, because the mean of its divisors is an integer number (54250339).

Almost surely, 2^225347553 is an apocalyptic number.

It is an amenable number.

225347553 is a deficient number, since it is larger than the sum of its proper divisors (100154481).

225347553 is a wasteful number, since it uses less digits than its factorization.

225347553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25038623 (or 25038620 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 225347553 is about 15011.5806296339. The cubic root of 225347553 is about 608.5332069731.

The spelling of 225347553 in words is "two hundred twenty-five million, three hundred forty-seven thousand, five hundred fifty-three".