1009291 has 2 divisors, whose sum is σ = 1009292. Its totient is φ = 1009290.

The previous prime is 1009289. The next prime is 1009301. The reversal of 1009291 is 1929001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1009291 - 2¹ = 1009289 is a prime.

Together with 1009289, it forms a pair of twin primes.

1009291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1009201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504645 + 504646.

It is an arithmetic number, because the mean of its divisors is an integer number (504646).

2^1009291 is an apocalyptic number.

1009291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009291 is an equidigital number, since it uses as much as digits as its factorization.

1009291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1009291 is about 1004.6347595022. The cubic root of 1009291 is about 100.3087457794.

The spelling of 1009291 in words is "one million, nine thousand, two hundred ninety-one".