225316739 has 2 divisors, whose sum is σ = 225316740. Its totient is φ = 225316738.

The previous prime is 225316709. The next prime is 225316753. The reversal of 225316739 is 937613522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225316739 - 2²⁴ = 208539523 is a prime.

It is not a weakly prime, because it can be changed into another prime (225316709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112658369 + 112658370.

It is an arithmetic number, because the mean of its divisors is an integer number (112658370).

Almost surely, 2^225316739 is an apocalyptic number.

225316739 is a deficient number, since it is larger than the sum of its proper divisors (1).

225316739 is an equidigital number, since it uses as much as digits as its factorization.

225316739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 225316739 is about 15010.5542535910. The cubic root of 225316739 is about 608.5054687872.

The spelling of 225316739 in words is "two hundred twenty-five million, three hundred sixteen thousand, seven hundred thirty-nine".