225176563 has 2 divisors, whose sum is σ = 225176564. Its totient is φ = 225176562.

The previous prime is 225176537. The next prime is 225176573. The reversal of 225176563 is 365671522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225176563 - 2⁵ = 225176531 is a prime.

It is not a weakly prime, because it can be changed into another prime (225176533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112588281 + 112588282.

It is an arithmetic number, because the mean of its divisors is an integer number (112588282).

Almost surely, 2^225176563 is an apocalyptic number.

225176563 is a deficient number, since it is larger than the sum of its proper divisors (1).

225176563 is an equidigital number, since it uses as much as digits as its factorization.

225176563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 225176563 is about 15005.8842791753. The cubic root of 225176563 is about 608.3792530463.

The spelling of 225176563 in words is "two hundred twenty-five million, one hundred seventy-six thousand, five hundred sixty-three".