225633587 has 2 divisors, whose sum is σ = 225633588. Its totient is φ = 225633586.

The previous prime is 225633553. The next prime is 225633613. The reversal of 225633587 is 785336522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225633587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225633517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112816793 + 112816794.

It is an arithmetic number, because the mean of its divisors is an integer number (112816794).

Almost surely, 2^225633587 is an apocalyptic number.

225633587 is a deficient number, since it is larger than the sum of its proper divisors (1).

225633587 is an equidigital number, since it uses as much as digits as its factorization.

225633587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 225633587 is about 15021.1047196936. The cubic root of 225633587 is about 608.7905688297.

The spelling of 225633587 in words is "two hundred twenty-five million, six hundred thirty-three thousand, five hundred eighty-seven".