26255397 has 32 divisors (see below), whose sum is σ = 43960320. Its totient is φ = 13590720.

The previous prime is 26255389. The next prime is 26255401. The reversal of 26255397 is 79355262.

It is not a de Polignac number, because 26255397 - 2³ = 26255389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26255347) 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, 7747 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 2^26255397 is an apocalyptic number.

It is an amenable number.

26255397 is a deficient number, since it is larger than the sum of its proper divisors (17704923).

26255397 is a wasteful number, since it uses less digits than its factorization.

26255397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913.

The product of its digits is 113400, while the sum is 39.

The square root of 26255397 is about 5124.0020491799. The cubic root of 26255397 is about 297.2164640817.

The spelling of 26255397 in words is "twenty-six million, two hundred fifty-five thousand, three hundred ninety-seven".