26225291 has 4 divisors (see below), whose sum is σ = 26466000. Its totient is φ = 25984584.

The previous prime is 26225249. The next prime is 26225293. The reversal of 26225291 is 19252262.

26225291 = 104² + 105² + ... + 430².

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

It is a cyclic number.

It is not a de Polignac number, because 26225291 - 2¹⁴ = 26208907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26225293) 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, 120191 + ... + 120408.

It is an arithmetic number, because the mean of its divisors is an integer number (6616500).

Almost surely, 2^26225291 is an apocalyptic number.

26225291 is a deficient number, since it is larger than the sum of its proper divisors (240709).

26225291 is a wasteful number, since it uses less digits than its factorization.

26225291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240708.

The product of its digits is 4320, while the sum is 29.

The square root of 26225291 is about 5121.0634637739. The cubic root of 26225291 is about 297.1028186072.

The spelling of 26225291 in words is "twenty-six million, two hundred twenty-five thousand, two hundred ninety-one".