26876261 has 2 divisors, whose sum is σ = 26876262. Its totient is φ = 26876260.

The previous prime is 26876257. The next prime is 26876263. The reversal of 26876261 is 16267862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 8300161 = 4310^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 26876261 - 2² = 26876257 is a prime.

Together with 26876263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26876263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13438130 + 13438131.

It is an arithmetic number, because the mean of its divisors is an integer number (13438131).

Almost surely, 2^26876261 is an apocalyptic number.

It is an amenable number.

26876261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26876261 is an equidigital number, since it uses as much as digits as its factorization.

26876261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 26876261 is about 5184.2319585451. The cubic root of 26876261 is about 299.5410055124.

The spelling of 26876261 in words is "twenty-six million, eight hundred seventy-six thousand, two hundred sixty-one".