225250313 has 2 divisors, whose sum is σ = 225250314. Its totient is φ = 225250312.

The previous prime is 225250283. The next prime is 225250379. The reversal of 225250313 is 313052522.

225250313 = 10612² + 10613².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 112614544 = 10613^2 + 10612^2 .

It is a cyclic number.

It is not a de Polignac number, because 225250313 - 2¹⁴ = 225233929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (225250013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112625156 + 112625157.

It is an arithmetic number, because the mean of its divisors is an integer number (112625157).

Almost surely, 2^225250313 is an apocalyptic number.

225250313 is the 10613-rd centered square number.

It is an amenable number.

225250313 is a deficient number, since it is larger than the sum of its proper divisors (1).

225250313 is an equidigital number, since it uses as much as digits as its factorization.

225250313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225250313 is about 15008.3414473419. The cubic root of 225250313 is about 608.4456647424.

The spelling of 225250313 in words is "two hundred twenty-five million, two hundred fifty thousand, three hundred thirteen".