225101563 has 2 divisors, whose sum is σ = 225101564. Its totient is φ = 225101562.

The previous prime is 225101551. The next prime is 225101581. The reversal of 225101563 is 365101522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225101563 - 2²⁵ = 191547131 is a prime.

It is not a weakly prime, because it can be changed into another prime (225101593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112550781 + 112550782.

It is an arithmetic number, because the mean of its divisors is an integer number (112550782).

Almost surely, 2^225101563 is an apocalyptic number.

225101563 is a deficient number, since it is larger than the sum of its proper divisors (1).

225101563 is an equidigital number, since it uses as much as digits as its factorization.

225101563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 225101563 is about 15003.3850513809. The cubic root of 225101563 is about 608.3117008550.

The spelling of 225101563 in words is "two hundred twenty-five million, one hundred one thousand, five hundred sixty-three".