225870713 has 2 divisors, whose sum is σ = 225870714. Its totient is φ = 225870712.

The previous prime is 225870709. The next prime is 225870731. The reversal of 225870713 is 317078522.

Together with next prime (225870731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225840784 + 29929 = 15028^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 225870713 - 2² = 225870709 is a prime.

It is a super-2 number, since 2×225870713² = 102035157982256738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225870793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112935356 + 112935357.

It is an arithmetic number, because the mean of its divisors is an integer number (112935357).

Almost surely, 2^225870713 is an apocalyptic number.

It is an amenable number.

225870713 is a deficient number, since it is larger than the sum of its proper divisors (1).

225870713 is an equidigital number, since it uses as much as digits as its factorization.

225870713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 225870713 is about 15028.9957415657. The cubic root of 225870713 is about 609.0037603923.

The spelling of 225870713 in words is "two hundred twenty-five million, eight hundred seventy thousand, seven hundred thirteen".