225130879 has 2 divisors, whose sum is σ = 225130880. Its totient is φ = 225130878.

The previous prime is 225130861. The next prime is 225130901. The reversal of 225130879 is 978031522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225130879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225130849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112565439 + 112565440.

It is an arithmetic number, because the mean of its divisors is an integer number (112565440).

Almost surely, 2^225130879 is an apocalyptic number.

225130879 is a deficient number, since it is larger than the sum of its proper divisors (1).

225130879 is an equidigital number, since it uses as much as digits as its factorization.

225130879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 225130879 is about 15004.3619990988. The cubic root of 225130879 is about 608.3381074415.

The spelling of 225130879 in words is "two hundred twenty-five million, one hundred thirty thousand, eight hundred seventy-nine".