25996403 has 8 divisors (see below), whose sum is σ = 26520000. Its totient is φ = 25475688.

The previous prime is 25996393. The next prime is 25996423. The reversal of 25996403 is 30469952.

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

It is a cyclic number.

It is not a de Polignac number, because 25996403 - 2⁴ = 25996387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25996423) 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, 29000 + ... + 29882.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000).

Almost surely, 2^25996403 is an apocalyptic number.

25996403 is a deficient number, since it is larger than the sum of its proper divisors (523597).

25996403 is an equidigital number, since it uses as much as digits as its factorization.

25996403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 25996403 is about 5098.6667865237. Note that the first 3 decimals coincide. The cubic root of 25996403 is about 296.2359445461.

The spelling of 25996403 in words is "twenty-five million, nine hundred ninety-six thousand, four hundred three".