25788417 has 8 divisors (see below), whose sum is σ = 34416096. Its totient is φ = 17176512.

The previous prime is 25788397. The next prime is 25788437. The reversal of 25788417 is 71488752.

It is an interprime number because it is at equal distance from previous prime (25788397) and next prime (25788437).

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

It is not a de Polignac number, because 25788417 - 2⁶ = 25788353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25788437) 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, 633 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (4302012).

It is a Proth number, since it is equal to 787 ⋅ 2¹⁵ + 1 and 787 < 2¹⁵.

Almost surely, 2^25788417 is an apocalyptic number.

It is an amenable number.

25788417 is a deficient number, since it is larger than the sum of its proper divisors (8627679).

25788417 is a wasteful number, since it uses less digits than its factorization.

25788417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887.

The product of its digits is 125440, while the sum is 42.

The square root of 25788417 is about 5078.2297112281. The cubic root of 25788417 is about 295.4438096210.

The spelling of 25788417 in words is "twenty-five million, seven hundred eighty-eight thousand, four hundred seventeen".