25431241153 has 2 divisors, whose sum is σ = 25431241154. Its totient is φ = 25431241152.

The previous prime is 25431241141. The next prime is 25431241181. The reversal of 25431241153 is 35114213452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14407921089 + 11023320064 = 120033^2 + 104992^2 .

It is a cyclic number.

It is not a de Polignac number, because 25431241153 - 2²¹ = 25429144001 is a prime.

It is not a weakly prime, because it can be changed into another prime (25431241183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12715620576 + 12715620577.

It is an arithmetic number, because the mean of its divisors is an integer number (12715620577).

Almost surely, 2^25431241153 is an apocalyptic number.

It is an amenable number.

25431241153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25431241153 is an equidigital number, since it uses as much as digits as its factorization.

25431241153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The spelling of 25431241153 in words is "twenty-five billion, four hundred thirty-one million, two hundred forty-one thousand, one hundred fifty-three".