26770613 has 2 divisors, whose sum is σ = 26770614. Its totient is φ = 26770612.

The previous prime is 26770609. The next prime is 26770637. The reversal of 26770613 is 31607762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26604964 + 165649 = 5158^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 26770613 - 2² = 26770609 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 26770613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26770673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13385306 + 13385307.

It is an arithmetic number, because the mean of its divisors is an integer number (13385307).

Almost surely, 2^26770613 is an apocalyptic number.

It is an amenable number.

26770613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26770613 is an equidigital number, since it uses as much as digits as its factorization.

26770613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 26770613 is about 5174.0325665771. The cubic root of 26770613 is about 299.1480011356.

The spelling of 26770613 in words is "twenty-six million, seven hundred seventy thousand, six hundred thirteen".