385192033 has 2 divisors, whose sum is σ = 385192034. Its totient is φ = 385192032.

The previous prime is 385192009. The next prime is 385192039. The reversal of 385192033 is 330291583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334597264 + 50594769 = 18292^2 + 7113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385192033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385192033.

It is not a weakly prime, because it can be changed into another prime (385192039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192596016 + 192596017.

It is an arithmetic number, because the mean of its divisors is an integer number (192596017).

Almost surely, 2^385192033 is an apocalyptic number.

It is an amenable number.

385192033 is a deficient number, since it is larger than the sum of its proper divisors (1).

385192033 is an equidigital number, since it uses as much as digits as its factorization.

385192033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 385192033 is about 19626.3097142586. The cubic root of 385192033 is about 727.5995670733.

The spelling of 385192033 in words is "three hundred eighty-five million, one hundred ninety-two thousand, thirty-three".