25268417 has 4 divisors (see below), whose sum is σ = 25452996. Its totient is φ = 25083840.

The previous prime is 25268389. The next prime is 25268431. The reversal of 25268417 is 71486252.

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 21520321 + 3748096 = 4639^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 25268417 - 2⁸ = 25268161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25268017) 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, 92084 + ... + 92357.

It is an arithmetic number, because the mean of its divisors is an integer number (6363249).

Almost surely, 2^25268417 is an apocalyptic number.

It is an amenable number.

25268417 is a deficient number, since it is larger than the sum of its proper divisors (184579).

25268417 is a wasteful number, since it uses less digits than its factorization.

25268417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184578.

The product of its digits is 26880, while the sum is 35.

The square root of 25268417 is about 5026.7700365145. The cubic root of 25268417 is about 293.4445255397. Note that the first 3 decimals are identical.

The spelling of 25268417 in words is "twenty-five million, two hundred sixty-eight thousand, four hundred seventeen".