26261393 has 4 divisors (see below), whose sum is σ = 26453220. Its totient is φ = 26069568.

The previous prime is 26261383. The next prime is 26261429. The reversal of 26261393 is 39316262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12475024 + 13786369 = 3532^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 26261393 - 2⁶ = 26261329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26261383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95708 + ... + 95981.

It is an arithmetic number, because the mean of its divisors is an integer number (6613305).

Almost surely, 2^26261393 is an apocalyptic number.

It is an amenable number.

26261393 is a deficient number, since it is larger than the sum of its proper divisors (191827).

26261393 is a wasteful number, since it uses less digits than its factorization.

26261393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191826.

The product of its digits is 11664, while the sum is 32.

The square root of 26261393 is about 5124.5871053188. The cubic root of 26261393 is about 297.2390876750.

The spelling of 26261393 in words is "twenty-six million, two hundred sixty-one thousand, three hundred ninety-three".