25000217 has 8 divisors (see below), whose sum is σ = 28877472. Its totient is φ = 21390400.

The previous prime is 25000211. The next prime is 25000231. The reversal of 25000217 is 71200052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25000217 - 2¹² = 24996121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000195 and 25000204.

It is not an unprimeable number, because it can be changed into a prime (25000211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66659 + ... + 67032.

It is an arithmetic number, because the mean of its divisors is an integer number (3609684).

Almost surely, 2^25000217 is an apocalyptic number.

It is an amenable number.

25000217 is a deficient number, since it is larger than the sum of its proper divisors (3877255).

25000217 is a wasteful number, since it uses less digits than its factorization.

25000217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133719.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 25000217 is about 5000.0216999529. The cubic root of 25000217 is about 292.4026198346.

Adding to 25000217 its reverse (71200052), we get a palindrome (96200269).

The spelling of 25000217 in words is "twenty-five million, two hundred seventeen", and thus it is an aban number.