25217365 has 8 divisors (see below), whose sum is σ = 30292128. Its totient is φ = 20153040.

The previous prime is 25217323. The next prime is 25217371. The reversal of 25217365 is 56371252.

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

It is not a de Polignac number, because 25217365 - 2⁹ = 25216853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4450 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (3786516).

Almost surely, 2^25217365 is an apocalyptic number.

It is an amenable number.

25217365 is a deficient number, since it is larger than the sum of its proper divisors (5074763).

25217365 is a wasteful number, since it uses less digits than its factorization.

25217365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219.

The product of its digits is 12600, while the sum is 31.

The square root of 25217365 is about 5021.6894567466. The cubic root of 25217365 is about 293.2467683902.

The spelling of 25217365 in words is "twenty-five million, two hundred seventeen thousand, three hundred sixty-five".