25089248617 has 4 divisors (see below), whose sum is σ = 25089816960. Its totient is φ = 25088680276.

The previous prime is 25089248609. The next prime is 25089248621. The reversal of 25089248617 is 71684298052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25089248617 - 2³ = 25089248609 is a prime.

It is a super-3 number, since 3×25089248617³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25089248627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211813 + ... + 308290.

It is an arithmetic number, because the mean of its divisors is an integer number (6272454240).

Almost surely, 2^25089248617 is an apocalyptic number.

It is an amenable number.

25089248617 is a deficient number, since it is larger than the sum of its proper divisors (568343).

25089248617 is an equidigital number, since it uses as much as digits as its factorization.

25089248617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568342.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 25089248617 in words is "twenty-five billion, eighty-nine million, two hundred forty-eight thousand, six hundred seventeen".