225198593 has 2 divisors, whose sum is σ = 225198594. Its totient is φ = 225198592.

The previous prime is 225198553. The next prime is 225198599. The reversal of 225198593 is 395891522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190246849 + 34951744 = 13793^2 + 5912^2 .

It is a cyclic number.

It is not a de Polignac number, because 225198593 - 2⁶ = 225198529 is a prime.

It is not a weakly prime, because it can be changed into another prime (225198599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112599296 + 112599297.

It is an arithmetic number, because the mean of its divisors is an integer number (112599297).

Almost surely, 2^225198593 is an apocalyptic number.

It is an amenable number.

225198593 is a deficient number, since it is larger than the sum of its proper divisors (1).

225198593 is an equidigital number, since it uses as much as digits as its factorization.

225198593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 44.

The square root of 225198593 is about 15006.6183066006. The cubic root of 225198593 is about 608.3990925265.

The spelling of 225198593 in words is "two hundred twenty-five million, one hundred ninety-eight thousand, five hundred ninety-three".