25959803 has 4 divisors (see below), whose sum is σ = 26797248. Its totient is φ = 25122360.

The previous prime is 25959781. The next prime is 25959821. The reversal of 25959803 is 30895952.

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 25959803 - 2⁸ = 25959547 is a prime.

It is a super-2 number, since 2×25959803² = 1347822743597618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25959853) 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, 418676 + ... + 418737.

It is an arithmetic number, because the mean of its divisors is an integer number (6699312).

Almost surely, 2^25959803 is an apocalyptic number.

25959803 is a deficient number, since it is larger than the sum of its proper divisors (837445).

25959803 is an equidigital number, since it uses as much as digits as its factorization.

25959803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837444.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 25959803 is about 5095.0763487901. The cubic root of 25959803 is about 296.0968569992.

It can be divided in two parts, 25959 and 803, that added together give a palindrome (26762).

The spelling of 25959803 in words is "twenty-five million, nine hundred fifty-nine thousand, eight hundred three".