225205053937 has 2 divisors, whose sum is σ = 225205053938. Its totient is φ = 225205053936.

The previous prime is 225205053911. The next prime is 225205053943. The reversal of 225205053937 is 739350502522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137515630561 + 87689423376 = 370831^2 + 296124^2 .

It is a cyclic number.

It is not a de Polignac number, because 225205053937 - 2⁷ = 225205053809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225205053893 and 225205053902.

It is not a weakly prime, because it can be changed into another prime (225205053737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112602526968 + 112602526969.

It is an arithmetic number, because the mean of its divisors is an integer number (112602526969).

Almost surely, 2^225205053937 is an apocalyptic number.

It is an amenable number.

225205053937 is a deficient number, since it is larger than the sum of its proper divisors (1).

225205053937 is an equidigital number, since it uses as much as digits as its factorization.

225205053937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 225205053937 in words is "two hundred twenty-five billion, two hundred five million, fifty-three thousand, nine hundred thirty-seven".