25246713133 has 2 divisors, whose sum is σ = 25246713134. Its totient is φ = 25246713132.

The previous prime is 25246713127. The next prime is 25246713197. The reversal of 25246713133 is 33131764252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22128942564 + 3117770569 = 148758^2 + 55837^2 .

It is a cyclic number.

It is not a de Polignac number, because 25246713133 - 2²⁵ = 25213158701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25246713092 and 25246713101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25246723133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12623356566 + 12623356567.

It is an arithmetic number, because the mean of its divisors is an integer number (12623356567).

Almost surely, 2^25246713133 is an apocalyptic number.

It is an amenable number.

25246713133 is a deficient number, since it is larger than the sum of its proper divisors (1).

25246713133 is an equidigital number, since it uses as much as digits as its factorization.

25246713133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The spelling of 25246713133 in words is "twenty-five billion, two hundred forty-six million, seven hundred thirteen thousand, one hundred thirty-three".