25753575361 has 2 divisors, whose sum is σ = 25753575362. Its totient is φ = 25753575360.

The previous prime is 25753575311. The next prime is 25753575371. The reversal of 25753575361 is 16357535752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19925016336 + 5828559025 = 141156^2 + 76345^2 .

It is a cyclic number.

It is not a de Polignac number, because 25753575361 - 2¹⁵ = 25753542593 is a prime.

It is not a weakly prime, because it can be changed into another prime (25753575301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876787680 + 12876787681.

It is an arithmetic number, because the mean of its divisors is an integer number (12876787681).

Almost surely, 2^25753575361 is an apocalyptic number.

It is an amenable number.

25753575361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25753575361 is an equidigital number, since it uses as much as digits as its factorization.

25753575361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3307500, while the sum is 49.

The spelling of 25753575361 in words is "twenty-five billion, seven hundred fifty-three million, five hundred seventy-five thousand, three hundred sixty-one".