25963417 has 4 divisors (see below), whose sum is σ = 25981236. Its totient is φ = 25945600.

The previous prime is 25963397. The next prime is 25963433. The reversal of 25963417 is 71436952.

25963417 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24314761 + 1648656 = 4931^2 + 1284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25963417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25963447) 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, 6508 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (6495309).

Almost surely, 2^25963417 is an apocalyptic number.

It is an amenable number.

25963417 is a deficient number, since it is larger than the sum of its proper divisors (17819).

25963417 is a wasteful number, since it uses less digits than its factorization.

25963417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17818.

The product of its digits is 45360, while the sum is 37.

The square root of 25963417 is about 5095.4309925658. The cubic root of 25963417 is about 296.1105967591.

The spelling of 25963417 in words is "twenty-five million, nine hundred sixty-three thousand, four hundred seventeen".