225080689 has 2 divisors, whose sum is σ = 225080690. Its totient is φ = 225080688.

The previous prime is 225080627. The next prime is 225080711. The reversal of 225080689 is 986080522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 112360000 = 10617^2 + 10600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225080689 is a prime.

It is a super-2 number, since 2×225080689² = 101322633121429442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225050689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112540344 + 112540345.

It is an arithmetic number, because the mean of its divisors is an integer number (112540345).

Almost surely, 2^225080689 is an apocalyptic number.

It is an amenable number.

225080689 is a deficient number, since it is larger than the sum of its proper divisors (1).

225080689 is an equidigital number, since it uses as much as digits as its factorization.

225080689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 225080689 is about 15002.6893922390. The cubic root of 225080689 is about 608.2928970599.

The spelling of 225080689 in words is "two hundred twenty-five million, eighty thousand, six hundred eighty-nine".