26980351 has 4 divisors (see below), whose sum is σ = 26993232. Its totient is φ = 26967472.

The previous prime is 26980333. The next prime is 26980391. The reversal of 26980351 is 15308962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15308962 = 2 ⋅7654481.

It is a cyclic number.

It is not a de Polignac number, because 26980351 - 2⁷ = 26980223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980301) 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, 2491 + ... + 7756.

It is an arithmetic number, because the mean of its divisors is an integer number (6748308).

Almost surely, 2^26980351 is an apocalyptic number.

26980351 is a deficient number, since it is larger than the sum of its proper divisors (12881).

26980351 is a wasteful number, since it uses less digits than its factorization.

26980351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 26980351 is about 5194.2613526853. The cubic root of 26980351 is about 299.9272082652.

The spelling of 26980351 in words is "twenty-six million, nine hundred eighty thousand, three hundred fifty-one".