225761563 has 8 divisors (see below), whose sum is σ = 230099760. Its totient is φ = 221464800.

The previous prime is 225761527. The next prime is 225761573. The reversal of 225761563 is 365167522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225761563 - 2²⁵ = 192207131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225761573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (28762470).

Almost surely, 2^225761563 is an apocalyptic number.

225761563 is a deficient number, since it is larger than the sum of its proper divisors (4338197).

225761563 is a wasteful number, since it uses less digits than its factorization.

225761563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20717.

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

The square root of 225761563 is about 15025.3639889355. The cubic root of 225761563 is about 608.9056460479.

The spelling of 225761563 in words is "two hundred twenty-five million, seven hundred sixty-one thousand, five hundred sixty-three".