26842451 has 4 divisors (see below), whose sum is σ = 26858832. Its totient is φ = 26826072.

The previous prime is 26842423. The next prime is 26842457. The reversal of 26842451 is 15424862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15424862 = 2 ⋅7712431.

It is a cyclic number.

It is not a de Polignac number, because 26842451 - 2²² = 22648147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26842457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420 + ... + 9113.

It is an arithmetic number, because the mean of its divisors is an integer number (6714708).

Almost surely, 2^26842451 is an apocalyptic number.

26842451 is a deficient number, since it is larger than the sum of its proper divisors (16381).

26842451 is a wasteful number, since it uses less digits than its factorization.

26842451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380.

The product of its digits is 15360, while the sum is 32.

The square root of 26842451 is about 5180.9700829092. The cubic root of 26842451 is about 299.4153465264.

The spelling of 26842451 in words is "twenty-six million, eight hundred forty-two thousand, four hundred fifty-one".