25716417 has 8 divisors (see below), whose sum is σ = 35471040. Its totient is φ = 16553040.

The previous prime is 25716373. The next prime is 25716419. The reversal of 25716417 is 71461752.

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

It is not a de Polignac number, because 25716417 - 2¹¹ = 25714369 is a prime.

It is a super-2 number, since 2×25716417² = 1322668206635778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25716419) 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, 147709 + ... + 147882.

It is an arithmetic number, because the mean of its divisors is an integer number (4433880).

Almost surely, 2^25716417 is an apocalyptic number.

It is an amenable number.

25716417 is a deficient number, since it is larger than the sum of its proper divisors (9754623).

25716417 is a wasteful number, since it uses less digits than its factorization.

25716417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295623.

The product of its digits is 11760, while the sum is 33.

The square root of 25716417 is about 5071.1356716223. The cubic root of 25716417 is about 295.1685984437.

The spelling of 25716417 in words is "twenty-five million, seven hundred sixteen thousand, four hundred seventeen".