25027732117 has 2 divisors, whose sum is σ = 25027732118. Its totient is φ = 25027732116.

The previous prime is 25027732109. The next prime is 25027732157. The reversal of 25027732117 is 71123772052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23669514801 + 1358217316 = 153849^2 + 36854^2 .

It is a cyclic number.

It is not a de Polignac number, because 25027732117 - 2³ = 25027732109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25027732157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513866058 + 12513866059.

It is an arithmetic number, because the mean of its divisors is an integer number (12513866059).

Almost surely, 2^25027732117 is an apocalyptic number.

It is an amenable number.

25027732117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25027732117 is an equidigital number, since it uses as much as digits as its factorization.

25027732117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 25027732117 in words is "twenty-five billion, twenty-seven million, seven hundred thirty-two thousand, one hundred seventeen".