225785113 has 4 divisors (see below), whose sum is σ = 237668560. Its totient is φ = 213901668.

The previous prime is 225785083. The next prime is 225785123. The reversal of 225785113 is 311587522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225785113 - 2¹⁷ = 225654041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225785123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941695 + ... + 5941732.

It is an arithmetic number, because the mean of its divisors is an integer number (59417140).

Almost surely, 2^225785113 is an apocalyptic number.

It is an amenable number.

225785113 is a deficient number, since it is larger than the sum of its proper divisors (11883447).

225785113 is a wasteful number, since it uses less digits than its factorization.

225785113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883446.

The product of its digits is 16800, while the sum is 34.

The square root of 225785113 is about 15026.1476433582. The cubic root of 225785113 is about 608.9268176905.

The spelling of 225785113 in words is "two hundred twenty-five million, seven hundred eighty-five thousand, one hundred thirteen".