26806425 has 24 divisors (see below), whose sum is σ = 44726304. Its totient is φ = 14165760.

The previous prime is 26806361. The next prime is 26806453. The reversal of 26806425 is 52460862.

26806425 = 227² + 228² + ... + 451².

It is not a de Polignac number, because 26806425 - 2⁶ = 26806361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6894 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (1863596).

Almost surely, 2^26806425 is an apocalyptic number.

26806425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26806425 is a deficient number, since it is larger than the sum of its proper divisors (17919879).

26806425 is a wasteful number, since it uses less digits than its factorization.

26806425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 26806425 is about 5177.4921535431. The cubic root of 26806425 is about 299.2813353339.

The spelling of 26806425 in words is "twenty-six million, eight hundred six thousand, four hundred twenty-five".