25340432153 has 2 divisors, whose sum is σ = 25340432154. Its totient is φ = 25340432152.

The previous prime is 25340432141. The next prime is 25340432177. The reversal of 25340432153 is 35123404352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22168827664 + 3171604489 = 148892^2 + 56317^2 .

It is a cyclic number.

It is not a de Polignac number, because 25340432153 - 2²⁰ = 25339383577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25340432123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12670216076 + 12670216077.

It is an arithmetic number, because the mean of its divisors is an integer number (12670216077).

Almost surely, 2^25340432153 is an apocalyptic number.

It is an amenable number.

25340432153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25340432153 is an equidigital number, since it uses as much as digits as its factorization.

25340432153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 25340432153 in words is "twenty-five billion, three hundred forty million, four hundred thirty-two thousand, one hundred fifty-three".