8011261 has 2 divisors, whose sum is σ = 8011262. Its totient is φ = 8011260.

The previous prime is 8011259. The next prime is 8011271. The reversal of 8011261 is 1621108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 1610361 = 2530^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 8011261 - 2¹ = 8011259 is a prime.

Together with 8011259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8011271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005630 + 4005631.

It is an arithmetic number, because the mean of its divisors is an integer number (4005631).

Almost surely, 2^8011261 is an apocalyptic number.

It is an amenable number.

8011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8011261 is an equidigital number, since it uses as much as digits as its factorization.

8011261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 8011261 is about 2830.4171070710. The cubic root of 8011261 is about 200.0937976698.

Adding to 8011261 its reverse (1621108), we get a palindrome (9632369).

The spelling of 8011261 in words is "eight million, eleven thousand, two hundred sixty-one".