26965261 has 2 divisors, whose sum is σ = 26965262. Its totient is φ = 26965260.

The previous prime is 26965259. The next prime is 26965271. The reversal of 26965261 is 16256962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26842761 + 122500 = 5181^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 26965261 - 2¹ = 26965259 is a prime.

Together with 26965259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26965261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26965201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13482630 + 13482631.

It is an arithmetic number, because the mean of its divisors is an integer number (13482631).

Almost surely, 2^26965261 is an apocalyptic number.

It is an amenable number.

26965261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26965261 is an equidigital number, since it uses as much as digits as its factorization.

26965261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 26965261 is about 5192.8085849567. The cubic root of 26965261 is about 299.8712818170.

The spelling of 26965261 in words is "twenty-six million, nine hundred sixty-five thousand, two hundred sixty-one".