25112617 has 4 divisors (see below), whose sum is σ = 25646976. Its totient is φ = 24578260.

The previous prime is 25112611. The next prime is 25112627. The reversal of 25112617 is 71621152.

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 a de Polignac number, because none of the positive numbers 2^k-25112617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25112591 and 25112600.

It is not an unprimeable number, because it can be changed into a prime (25112611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267109 + ... + 267202.

It is an arithmetic number, because the mean of its divisors is an integer number (6411744).

Almost surely, 2^25112617 is an apocalyptic number.

It is an amenable number.

25112617 is a deficient number, since it is larger than the sum of its proper divisors (534359).

25112617 is an equidigital number, since it uses as much as digits as its factorization.

25112617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534358.

The product of its digits is 840, while the sum is 25.

The square root of 25112617 is about 5011.2490458966. The cubic root of 25112617 is about 292.8401750006.

Adding to 25112617 its reverse (71621152), we get a palindrome (96733769).

The spelling of 25112617 in words is "twenty-five million, one hundred twelve thousand, six hundred seventeen".