225716553 has 6 divisors (see below), whose sum is σ = 326035034. Its totient is φ = 150477696.

The previous prime is 225716527. The next prime is 225716563. The reversal of 225716553 is 355617522.

225716553 is a `hidden beast` number, since 22 + 571 + 65 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 225360144 + 356409 = 15012^2 + 597^2 .

It is not a de Polignac number, because 225716553 - 2⁶ = 225716489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225716563) 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 5 ways as a sum of consecutive naturals, for example, 12539800 + ... + 12539817.

Almost surely, 2^225716553 is an apocalyptic number.

It is an amenable number.

225716553 is a deficient number, since it is larger than the sum of its proper divisors (100318481).

225716553 is a wasteful number, since it uses less digits than its factorization.

225716553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25079623 (or 25079620 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 225716553 is about 15023.8661136207. The cubic root of 225716553 is about 608.8651775933.

The spelling of 225716553 in words is "two hundred twenty-five million, seven hundred sixteen thousand, five hundred fifty-three".