225307697 has 2 divisors, whose sum is σ = 225307698. Its totient is φ = 225307696.

The previous prime is 225307657. The next prime is 225307739. The reversal of 225307697 is 796703522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149426176 + 75881521 = 12224^2 + 8711^2 .

It is a cyclic number.

It is not a de Polignac number, because 225307697 - 2¹⁸ = 225045553 is a prime.

It is not a weakly prime, because it can be changed into another prime (225307627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112653848 + 112653849.

It is an arithmetic number, because the mean of its divisors is an integer number (112653849).

Almost surely, 2^225307697 is an apocalyptic number.

It is an amenable number.

225307697 is a deficient number, since it is larger than the sum of its proper divisors (1).

225307697 is an equidigital number, since it uses as much as digits as its factorization.

225307697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 225307697 is about 15010.2530624903. The cubic root of 225307697 is about 608.4973288681.

The spelling of 225307697 in words is "two hundred twenty-five million, three hundred seven thousand, six hundred ninety-seven".