10556291 has 2 divisors, whose sum is σ = 10556292. Its totient is φ = 10556290.

The previous prime is 10556281. The next prime is 10556297. The reversal of 10556291 is 19265501.

It is a strong prime.

It is an emirp because it is prime and its reverse (19265501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10556291 - 2¹⁸ = 10294147 is a prime.

It is a super-2 number, since 2×10556291² = 222870559353362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10556297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278145 + 5278146.

It is an arithmetic number, because the mean of its divisors is an integer number (5278146).

Almost surely, 2^10556291 is an apocalyptic number.

10556291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556291 is an equidigital number, since it uses as much as digits as its factorization.

10556291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 10556291 is about 3249.0446288101. The cubic root of 10556291 is about 219.3665732972.

The spelling of 10556291 in words is "ten million, five hundred fifty-six thousand, two hundred ninety-one".