25092423539 has 2 divisors, whose sum is σ = 25092423540. Its totient is φ = 25092423538.

The previous prime is 25092423493. The next prime is 25092423547. The reversal of 25092423539 is 93532429052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25092423539 - 2²⁰ = 25091374963 is a prime.

It is a super-2 number, since 2×25092423539² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25092423539.

It is not a weakly prime, because it can be changed into another prime (25092423439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12546211769 + 12546211770.

It is an arithmetic number, because the mean of its divisors is an integer number (12546211770).

Almost surely, 2^25092423539 is an apocalyptic number.

25092423539 is a deficient number, since it is larger than the sum of its proper divisors (1).

25092423539 is an equidigital number, since it uses as much as digits as its factorization.

25092423539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 25092423539 in words is "twenty-five billion, ninety-two million, four hundred twenty-three thousand, five hundred thirty-nine".