25233217 has 4 divisors (see below), whose sum is σ = 25820080. Its totient is φ = 24646356.

The previous prime is 25233211. The next prime is 25233227. The reversal of 25233217 is 71233252.

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 25233217 - 2³ = 25233209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25233191 and 25233200.

It is not an unprimeable number, because it can be changed into a prime (25233211) 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, 293367 + ... + 293452.

It is an arithmetic number, because the mean of its divisors is an integer number (6455020).

Almost surely, 2^25233217 is an apocalyptic number.

It is an amenable number.

25233217 is a deficient number, since it is larger than the sum of its proper divisors (586863).

25233217 is an equidigital number, since it uses as much as digits as its factorization.

25233217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586862.

The product of its digits is 2520, while the sum is 25.

The square root of 25233217 is about 5023.2675620556. The cubic root of 25233217 is about 293.3082019045.

Adding to 25233217 its reverse (71233252), we get a palindrome (96466469).

The spelling of 25233217 in words is "twenty-five million, two hundred thirty-three thousand, two hundred seventeen".