26197065 has 12 divisors (see below), whose sum is σ = 45408324. Its totient is φ = 13971744.

The previous prime is 26197057. The next prime is 26197091. The reversal of 26197065 is 56079162.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 14107536 = 3477^2 + 3756^2 .

It is not a de Polignac number, because 26197065 - 2³ = 26197057 is a prime.

It is a super-2 number, since 2×26197065² = 1372572429228450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 291034 + ... + 291123.

It is an arithmetic number, because the mean of its divisors is an integer number (3784027).

Almost surely, 2^26197065 is an apocalyptic number.

It is an amenable number.

26197065 is a deficient number, since it is larger than the sum of its proper divisors (19211259).

26197065 is a wasteful number, since it uses less digits than its factorization.

26197065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582168 (or 582165 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 26197065 is about 5118.3068489492. The cubic root of 26197065 is about 296.9961908160.

The spelling of 26197065 in words is "twenty-six million, one hundred ninety-seven thousand, sixty-five".