26256285 has 32 divisors (see below), whose sum is σ = 50924160. Its totient is φ = 12729600.

The previous prime is 26256229. The next prime is 26256289. The reversal of 26256285 is 58265262.

26256285 is a `hidden beast` number, since 2 + 6 + 25 + 628 + 5 = 666.

It is not a de Polignac number, because 26256285 - 2¹² = 26252189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26256289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7356 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (1591380).

Almost surely, 2^26256285 is an apocalyptic number.

It is an amenable number.

26256285 is a deficient number, since it is larger than the sum of its proper divisors (24667875).

26256285 is a wasteful number, since it uses less digits than its factorization.

26256285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706 (or 17700 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 26256285 is about 5124.0886994665. The cubic root of 26256285 is about 297.2198148244.

Adding to 26256285 its product of digits (57600), we get a triangular number (26313885 = T₇₂₅₄).

The spelling of 26256285 in words is "twenty-six million, two hundred fifty-six thousand, two hundred eighty-five".