25814417 has 2 divisors, whose sum is σ = 25814418. Its totient is φ = 25814416.

The previous prime is 25814377. The next prime is 25814431. The reversal of 25814417 is 71441852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19855936 + 5958481 = 4456^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 25814417 - 2⁶ = 25814353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25814017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12907208 + 12907209.

It is an arithmetic number, because the mean of its divisors is an integer number (12907209).

Almost surely, 2^25814417 is an apocalyptic number.

It is an amenable number.

25814417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25814417 is an equidigital number, since it uses as much as digits as its factorization.

25814417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 25814417 is about 5080.7890135293. The cubic root of 25814417 is about 295.5430655386.

The spelling of 25814417 in words is "twenty-five million, eight hundred fourteen thousand, four hundred seventeen".