10905091 has 2 divisors, whose sum is σ = 10905092. Its totient is φ = 10905090.

The previous prime is 10905067. The next prime is 10905127. The reversal of 10905091 is 19050901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10905091 - 2¹⁹ = 10380803 is a prime.

It is not a weakly prime, because it can be changed into another prime (10905061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5452545 + 5452546.

It is an arithmetic number, because the mean of its divisors is an integer number (5452546).

Almost surely, 2^10905091 is an apocalyptic number.

10905091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10905091 is an equidigital number, since it uses as much as digits as its factorization.

10905091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 10905091 is about 3302.2857235557. The cubic root of 10905091 is about 221.7565371984.

Adding to 10905091 its reverse (19050901), we get a palindrome (29955992).

The spelling of 10905091 in words is "ten million, nine hundred five thousand, ninety-one".