25382291 has 6 divisors (see below), whose sum is σ = 27899676. Its totient is φ = 23074700.

The previous prime is 25382263. The next prime is 25382293. The reversal of 25382291 is 19228352.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25382291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25382293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104765 + ... + 105006.

It is an arithmetic number, because the mean of its divisors is an integer number (4649946).

Almost surely, 2^25382291 is an apocalyptic number.

25382291 is a deficient number, since it is larger than the sum of its proper divisors (2517385).

25382291 is a wasteful number, since it uses less digits than its factorization.

25382291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209793 (or 209782 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 25382291 is about 5038.0840604341. The cubic root of 25382291 is about 293.8846748694.

The spelling of 25382291 in words is "twenty-five million, three hundred eighty-two thousand, two hundred ninety-one".