26804425 has 12 divisors (see below), whose sum is σ = 33302556. Its totient is φ = 21401600.

The previous prime is 26804369. The next prime is 26804431. The reversal of 26804425 is 52440862.

It can be written as a sum of positive squares in 6 ways, for example, as 4108729 + 22695696 = 2027^2 + 4764^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26804425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21417 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (2775213).

Almost surely, 2^26804425 is an apocalyptic number.

26804425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26804425 is a deficient number, since it is larger than the sum of its proper divisors (6498131).

26804425 is a wasteful number, since it uses less digits than its factorization.

26804425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 26804425 is about 5177.2990062387. The cubic root of 26804425 is about 299.2738921239.

The spelling of 26804425 in words is "twenty-six million, eight hundred four thousand, four hundred twenty-five".