225039719 has 2 divisors, whose sum is σ = 225039720. Its totient is φ = 225039718.

The previous prime is 225039701. The next prime is 225039733. The reversal of 225039719 is 917930522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225039719 is a prime.

It is a super-2 number, since 2×225039719² = 101285750255197922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_12384956 and since 225039719 and 12384956 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225039799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112519859 + 112519860.

It is an arithmetic number, because the mean of its divisors is an integer number (112519860).

Almost surely, 2^225039719 is an apocalyptic number.

225039719 is a deficient number, since it is larger than the sum of its proper divisors (1).

225039719 is an equidigital number, since it uses as much as digits as its factorization.

225039719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 225039719 is about 15001.3239082422. The cubic root of 225039719 is about 608.2559869303.

The spelling of 225039719 in words is "two hundred twenty-five million, thirty-nine thousand, seven hundred nineteen".