1667233 has 2 divisors, whose sum is σ = 1667234. Its totient is φ = 1667232.

The previous prime is 1667227. The next prime is 1667243. The reversal of 1667233 is 3327661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 439569 = 1108^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1667233 - 2¹³ = 1659041 is a prime.

1667233 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1667213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833616 + 833617.

It is an arithmetic number, because the mean of its divisors is an integer number (833617).

2^1667233 is an apocalyptic number.

It is an amenable number.

1667233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1667233 is an equidigital number, since it uses as much as digits as its factorization.

1667233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 1667233 is about 1291.2137700629. The cubic root of 1667233 is about 118.5765378771.

The spelling of 1667233 in words is "one million, six hundred sixty-seven thousand, two hundred thirty-three".