25250417 has 4 divisors (see below), whose sum is σ = 25837680. Its totient is φ = 24663156.

The previous prime is 25250377. The next prime is 25250431. The reversal of 25250417 is 71405252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25250417 - 2¹⁸ = 24988273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25250437) 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, 293567 + ... + 293652.

It is an arithmetic number, because the mean of its divisors is an integer number (6459420).

Almost surely, 2^25250417 is an apocalyptic number.

It is an amenable number.

25250417 is a deficient number, since it is larger than the sum of its proper divisors (587263).

25250417 is an equidigital number, since it uses as much as digits as its factorization.

25250417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587262.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 25250417 is about 5024.9793034400. The cubic root of 25250417 is about 293.3748304183.

Adding to 25250417 its reverse (71405252), we get a palindrome (96655669).

The spelling of 25250417 in words is "twenty-five million, two hundred fifty thousand, four hundred seventeen".