26730331 has 2 divisors, whose sum is σ = 26730332. Its totient is φ = 26730330.

The previous prime is 26730329. The next prime is 26730371. The reversal of 26730331 is 13303762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26730331 - 2¹ = 26730329 is a prime.

It is a super-2 number, since 2×26730331² = 1429021190739122, which contains 22 as substring.

Together with 26730329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 26730296 and 26730305.

It is not a weakly prime, because it can be changed into another prime (26730371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13365165 + 13365166.

It is an arithmetic number, because the mean of its divisors is an integer number (13365166).

Almost surely, 2^26730331 is an apocalyptic number.

26730331 is a deficient number, since it is larger than the sum of its proper divisors (1).

26730331 is an equidigital number, since it uses as much as digits as its factorization.

26730331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 26730331 is about 5170.1383927319. The cubic root of 26730331 is about 298.9978821862.

The spelling of 26730331 in words is "twenty-six million, seven hundred thirty thousand, three hundred thirty-one".