225242299913 has 2 divisors, whose sum is σ = 225242299914. Its totient is φ = 225242299912.

The previous prime is 225242299907. The next prime is 225242299927. The reversal of 225242299913 is 319992242522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153454743289 + 71787556624 = 391733^2 + 267932^2 .

It is a cyclic number.

It is not a de Polignac number, because 225242299913 - 2²⁸ = 224973864457 is a prime.

It is not a weakly prime, because it can be changed into another prime (225242299993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112621149956 + 112621149957.

It is an arithmetic number, because the mean of its divisors is an integer number (112621149957).

Almost surely, 2^225242299913 is an apocalyptic number.

It is an amenable number.

225242299913 is a deficient number, since it is larger than the sum of its proper divisors (1).

225242299913 is an equidigital number, since it uses as much as digits as its factorization.

225242299913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The spelling of 225242299913 in words is "two hundred twenty-five billion, two hundred forty-two million, two hundred ninety-nine thousand, nine hundred thirteen".