25152617 has 8 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 21497184.

The previous prime is 25152607. The next prime is 25152623. The reversal of 25152617 is 71625152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25152617 - 2¹² = 25148521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25152617.

It is not an unprimeable number, because it can be changed into a prime (25152607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2492 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^25152617 is an apocalyptic number.

It is an amenable number.

25152617 is a deficient number, since it is larger than the sum of its proper divisors (3676183).

25152617 is a wasteful number, since it uses less digits than its factorization.

25152617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375.

The product of its digits is 4200, while the sum is 29.

The square root of 25152617 is about 5015.2384788762. The cubic root of 25152617 is about 292.9955735566.

Adding to 25152617 its reverse (71625152), we get a palindrome (96777769).

The spelling of 25152617 in words is "twenty-five million, one hundred fifty-two thousand, six hundred seventeen".