25625895017 has 4 divisors (see below), whose sum is σ = 25653780480. Its totient is φ = 25598009556.

The previous prime is 25625895007. The next prime is 25625895041. The reversal of 25625895017 is 71059852652.

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 25625895017 - 2⁶ = 25625894953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25625895007) 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, 13941353 + ... + 13943190.

It is an arithmetic number, because the mean of its divisors is an integer number (6413445120).

Almost surely, 2^25625895017 is an apocalyptic number.

It is an amenable number.

25625895017 is a deficient number, since it is larger than the sum of its proper divisors (27885463).

25625895017 is an equidigital number, since it uses as much as digits as its factorization.

25625895017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27885462.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 25625895017 in words is "twenty-five billion, six hundred twenty-five million, eight hundred ninety-five thousand, seventeen".