1006291 has 16 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 813600.

The previous prime is 1006279. The next prime is 1006301. The reversal of 1006291 is 1926001.

It is a cyclic number.

It is not a de Polignac number, because 1006291 - 2⁷ = 1006163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4320 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1006291 is an apocalyptic number.

1006291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1006291 is a deficient number, since it is larger than the sum of its proper divisors (219437).

1006291 is a wasteful number, since it uses less digits than its factorization.

1006291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1006291 is about 1003.1405684150. The cubic root of 1006291 is about 100.2092617896.

It can be divided in two parts, 10062 and 91, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 1006291 in words is "one million, six thousand, two hundred ninety-one".