25492843 has 4 divisors (see below), whose sum is σ = 26992440. Its totient is φ = 23993248.

The previous prime is 25492829. The next prime is 25492867. The reversal of 25492843 is 34829452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25492843 - 2⁹ = 25492331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25492043) 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, 749773 + ... + 749806.

It is an arithmetic number, because the mean of its divisors is an integer number (6748110).

Almost surely, 2^25492843 is an apocalyptic number.

25492843 is a deficient number, since it is larger than the sum of its proper divisors (1499597).

25492843 is a wasteful number, since it uses less digits than its factorization.

25492843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499596.

The product of its digits is 69120, while the sum is 37.

The square root of 25492843 is about 5049.0437708540. The cubic root of 25492843 is about 294.3107262875.

It can be divided in two parts, 25492 and 843, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 25492843 in words is "twenty-five million, four hundred ninety-two thousand, eight hundred forty-three".