26845425 has 48 divisors (see below), whose sum is σ = 50026560. Its totient is φ = 14288400.

The previous prime is 26845421. The next prime is 26845453. The reversal of 26845425 is 52454862.

It is a happy number.

It is not a de Polignac number, because 26845425 - 2² = 26845421 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26845425.

It is not an unprimeable number, because it can be changed into a prime (26845421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54430 + ... + 54920.

It is an arithmetic number, because the mean of its divisors is an integer number (1042220).

Almost surely, 2^26845425 is an apocalyptic number.

26845425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26845425 is a deficient number, since it is larger than the sum of its proper divisors (23181135).

26845425 is an frugal number, since it uses more digits than its factorization.

26845425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 499 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 26845425 is about 5181.2570868468. The cubic root of 26845425 is about 299.4264039910.

The spelling of 26845425 in words is "twenty-six million, eight hundred forty-five thousand, four hundred twenty-five".