25492291 has 8 divisors (see below), whose sum is σ = 27878400. Its totient is φ = 23117640.

The previous prime is 25492267. The next prime is 25492309. The reversal of 25492291 is 19229452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25492291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25492241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190 + ... + 7468.

It is an arithmetic number, because the mean of its divisors is an integer number (3484800).

Almost surely, 2^25492291 is an apocalyptic number.

25492291 is a deficient number, since it is larger than the sum of its proper divisors (2386109).

25492291 is a wasteful number, since it uses less digits than its factorization.

25492291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its digits is 12960, while the sum is 34.

The square root of 25492291 is about 5048.9891067421. The cubic root of 25492291 is about 294.3086020221.

The spelling of 25492291 in words is "twenty-five million, four hundred ninety-two thousand, two hundred ninety-one".