26980313 has 2 divisors, whose sum is σ = 26980314. Its totient is φ = 26980312.

The previous prime is 26980301. The next prime is 26980333. The reversal of 26980313 is 31308962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26296384 + 683929 = 5128^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 26980313 - 2¹⁶ = 26914777 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26980313.

It is not a weakly prime, because it can be changed into another prime (26980333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13490156 + 13490157.

It is an arithmetic number, because the mean of its divisors is an integer number (13490157).

Almost surely, 2^26980313 is an apocalyptic number.

It is an amenable number.

26980313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26980313 is an equidigital number, since it uses as much as digits as its factorization.

26980313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26980313 is about 5194.2576948011. The cubic root of 26980313 is about 299.9270674561.

The spelling of 26980313 in words is "twenty-six million, nine hundred eighty thousand, three hundred thirteen".