26342971 has 4 divisors (see below), whose sum is σ = 26598832. Its totient is φ = 26087112.

The previous prime is 26342959. The next prime is 26342989. The reversal of 26342971 is 17924362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26342971 is a prime.

It is a super-2 number, since 2×26342971² = 1387904242213682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26342941) 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, 127776 + ... + 127981.

It is an arithmetic number, because the mean of its divisors is an integer number (6649708).

Almost surely, 2^26342971 is an apocalyptic number.

26342971 is a deficient number, since it is larger than the sum of its proper divisors (255861).

26342971 is a wasteful number, since it uses less digits than its factorization.

26342971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255860.

The product of its digits is 18144, while the sum is 34.

The square root of 26342971 is about 5132.5404041274. The cubic root of 26342971 is about 297.5465492211.

It can be divided in two parts, 263 and 42971, that added together give a palindrome (43234).

The spelling of 26342971 in words is "twenty-six million, three hundred forty-two thousand, nine hundred seventy-one".