225436793 has 2 divisors, whose sum is σ = 225436794. Its totient is φ = 225436792.

The previous prime is 225436789. The next prime is 225436853. The reversal of 225436793 is 397634522.

225436793 is nontrivially palindromic in base 9.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181387024 + 44049769 = 13468^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 225436793 - 2² = 225436789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225436793.

It is not a weakly prime, because it can be changed into another prime (225436493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112718396 + 112718397.

It is an arithmetic number, because the mean of its divisors is an integer number (112718397).

Almost surely, 2^225436793 is an apocalyptic number.

It is an amenable number.

225436793 is a deficient number, since it is larger than the sum of its proper divisors (1).

225436793 is an equidigital number, since it uses as much as digits as its factorization.

225436793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 225436793 is about 15014.5527072904. The cubic root of 225436793 is about 608.6135248876.

The spelling of 225436793 in words is "two hundred twenty-five million, four hundred thirty-six thousand, seven hundred ninety-three".