25360217 has 4 divisors (see below), whose sum is σ = 25389696. Its totient is φ = 25330740.

The previous prime is 25360211. The next prime is 25360259. The reversal of 25360217 is 71206352.

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 25360217 - 2¹⁰ = 25359193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25360211) 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, 13409 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (6347424).

Almost surely, 2^25360217 is an apocalyptic number.

It is an amenable number.

25360217 is a deficient number, since it is larger than the sum of its proper divisors (29479).

25360217 is an equidigital number, since it uses as much as digits as its factorization.

25360217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29478.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25360217 is about 5035.8928701870. The cubic root of 25360217 is about 293.7994567701.

Adding to 25360217 its reverse (71206352), we get a palindrome (96566569).

The spelling of 25360217 in words is "twenty-five million, three hundred sixty thousand, two hundred seventeen".