25825637153 has 2 divisors, whose sum is σ = 25825637154. Its totient is φ = 25825637152.

The previous prime is 25825637143. The next prime is 25825637171. The reversal of 25825637153 is 35173652852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24142012129 + 1683625024 = 155377^2 + 41032^2 .

It is a cyclic number.

It is not a de Polignac number, because 25825637153 - 2⁸ = 25825636897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25825637098 and 25825637107.

It is not a weakly prime, because it can be changed into another prime (25825637143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12912818576 + 12912818577.

It is an arithmetic number, because the mean of its divisors is an integer number (12912818577).

Almost surely, 2^25825637153 is an apocalyptic number.

It is an amenable number.

25825637153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25825637153 is an equidigital number, since it uses as much as digits as its factorization.

25825637153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 47.

The spelling of 25825637153 in words is "twenty-five billion, eight hundred twenty-five million, six hundred thirty-seven thousand, one hundred fifty-three".