225251413 has 2 divisors, whose sum is σ = 225251414. Its totient is φ = 225251412.

The previous prime is 225251399. The next prime is 225251447. The reversal of 225251413 is 314152522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223113969 + 2137444 = 14937^2 + 1462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225251413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225251473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112625706 + 112625707.

It is an arithmetic number, because the mean of its divisors is an integer number (112625707).

Almost surely, 2^225251413 is an apocalyptic number.

It is an amenable number.

225251413 is a deficient number, since it is larger than the sum of its proper divisors (1).

225251413 is an equidigital number, since it uses as much as digits as its factorization.

225251413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 225251413 is about 15008.3780935849. The cubic root of 225251413 is about 608.4466551800.

The spelling of 225251413 in words is "two hundred twenty-five million, two hundred fifty-one thousand, four hundred thirteen".