26968031 has 2 divisors, whose sum is σ = 26968032. Its totient is φ = 26968030.

The previous prime is 26968021. The next prime is 26968033. The reversal of 26968031 is 13086962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26968031 is a prime.

It is a super-2 number, since 2×26968031² = 1454549392033922, which contains 22 as substring.

Together with 26968033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26967982 and 26968000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26968033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484015 + 13484016.

It is an arithmetic number, because the mean of its divisors is an integer number (13484016).

Almost surely, 2^26968031 is an apocalyptic number.

26968031 is a deficient number, since it is larger than the sum of its proper divisors (1).

26968031 is an equidigital number, since it uses as much as digits as its factorization.

26968031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 26968031 is about 5193.0752931187. The cubic root of 26968031 is about 299.8815495341.

The spelling of 26968031 in words is "twenty-six million, nine hundred sixty-eight thousand, thirty-one".