393267241 has 2 divisors, whose sum is σ = 393267242. Its totient is φ = 393267240.

The previous prime is 393267229. The next prime is 393267247. The reversal of 393267241 is 142762393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240374016 + 152893225 = 15504^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 393267241 - 2⁷ = 393267113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 393267241.

It is not a weakly prime, because it can be changed into another prime (393267247) 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, 196633620 + 196633621.

It is an arithmetic number, because the mean of its divisors is an integer number (196633621).

Almost surely, 2^393267241 is an apocalyptic number.

It is an amenable number.

393267241 is a deficient number, since it is larger than the sum of its proper divisors (1).

393267241 is an equidigital number, since it uses as much as digits as its factorization.

393267241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 393267241 is about 19830.9667187457. The cubic root of 393267241 is about 732.6489369327.

The spelling of 393267241 in words is "three hundred ninety-three million, two hundred sixty-seven thousand, two hundred forty-one".