25082403 has 4 divisors (see below), whose sum is σ = 33443208. Its totient is φ = 16721600.

The previous prime is 25082401. The next prime is 25082417. The reversal of 25082403 is 30428052.

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 25082403 - 2¹ = 25082401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25082401) 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, 4180398 + ... + 4180403.

It is an arithmetic number, because the mean of its divisors is an integer number (8360802).

Almost surely, 2^25082403 is an apocalyptic number.

25082403 is a deficient number, since it is larger than the sum of its proper divisors (8360805).

25082403 is an equidigital number, since it uses as much as digits as its factorization.

25082403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360804.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25082403 is about 5008.2335209133. The cubic root of 25082403 is about 292.7226852698.

The spelling of 25082403 in words is "twenty-five million, eighty-two thousand, four hundred three".