25432055653 has 2 divisors, whose sum is σ = 25432055654. Its totient is φ = 25432055652.

The previous prime is 25432055651. The next prime is 25432055687. The reversal of 25432055653 is 35655023452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24751784929 + 680270724 = 157327^2 + 26082^2 .

It is a cyclic number.

It is not a de Polignac number, because 25432055653 - 2¹ = 25432055651 is a prime.

Together with 25432055651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25432055651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716027826 + 12716027827.

It is an arithmetic number, because the mean of its divisors is an integer number (12716027827).

Almost surely, 2^25432055653 is an apocalyptic number.

It is an amenable number.

25432055653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432055653 is an equidigital number, since it uses as much as digits as its factorization.

25432055653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 25432055653 in words is "twenty-five billion, four hundred thirty-two million, fifty-five thousand, six hundred fifty-three".