225064739 has 2 divisors, whose sum is σ = 225064740. Its totient is φ = 225064738.

The previous prime is 225064733. The next prime is 225064753. The reversal of 225064739 is 937460522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225064739 is a prime.

It is a super-2 number, since 2×225064739² = 101308273482276242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (225064733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112532369 + 112532370.

It is an arithmetic number, because the mean of its divisors is an integer number (112532370).

Almost surely, 2^225064739 is an apocalyptic number.

225064739 is a deficient number, since it is larger than the sum of its proper divisors (1).

225064739 is an equidigital number, since it uses as much as digits as its factorization.

225064739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 225064739 is about 15002.1578114617. The cubic root of 225064739 is about 608.2785281375.

The spelling of 225064739 in words is "two hundred twenty-five million, sixty-four thousand, seven hundred thirty-nine".