1006231 has 2 divisors, whose sum is σ = 1006232. Its totient is φ = 1006230.

The previous prime is 1006219. The next prime is 1006237. The reversal of 1006231 is 1326001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1326001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006231 is a prime.

It is a super-2 number, since 2×1006231² = 2025001650722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006237) 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 as a sum of consecutive naturals, namely, 503115 + 503116.

It is an arithmetic number, because the mean of its divisors is an integer number (503116).

2^1006231 is an apocalyptic number.

1006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006231 is an equidigital number, since it uses as much as digits as its factorization.

1006231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1006231 is about 1003.1106618913. The cubic root of 1006231 is about 100.2072700943.

The spelling of 1006231 in words is "one million, six thousand, two hundred thirty-one".