26342251 has 4 divisors (see below), whose sum is σ = 28368592. Its totient is φ = 24315912.

The previous prime is 26342233. The next prime is 26342263. The reversal of 26342251 is 15224362.

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 26342251 - 2¹¹ = 26340203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26342051) 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, 1013151 + ... + 1013176.

It is an arithmetic number, because the mean of its divisors is an integer number (7092148).

Almost surely, 2^26342251 is an apocalyptic number.

26342251 is a deficient number, since it is larger than the sum of its proper divisors (2026341).

26342251 is a wasteful number, since it uses less digits than its factorization.

26342251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026340.

The product of its digits is 2880, while the sum is 25.

The square root of 26342251 is about 5132.4702629436. The cubic root of 26342251 is about 297.5438383719.

The spelling of 26342251 in words is "twenty-six million, three hundred forty-two thousand, two hundred fifty-one".