1992533 has 2 divisors, whose sum is σ = 1992534. Its totient is φ = 1992532.

The previous prime is 1992527. The next prime is 1992547. The reversal of 1992533 is 3352991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 925444 = 1033^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992533 - 2⁴ = 1992517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992563) 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, 996266 + 996267.

It is an arithmetic number, because the mean of its divisors is an integer number (996267).

2^1992533 is an apocalyptic number.

It is an amenable number.

1992533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992533 is an equidigital number, since it uses as much as digits as its factorization.

1992533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 1992533 is about 1411.5711105006. The cubic root of 1992533 is about 125.8351122750.

The spelling of 1992533 in words is "one million, nine hundred ninety-two thousand, five hundred thirty-three".