364763221 has 2 divisors, whose sum is σ = 364763222. Its totient is φ = 364763220.

The previous prime is 364763173. The next prime is 364763249. The reversal of 364763221 is 122367463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324504196 + 40259025 = 18014^2 + 6345^2 .

It is a cyclic number.

It is not a de Polignac number, because 364763221 - 2⁷ = 364763093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364763291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182381610 + 182381611.

It is an arithmetic number, because the mean of its divisors is an integer number (182381611).

Almost surely, 2^364763221 is an apocalyptic number.

It is an amenable number.

364763221 is a deficient number, since it is larger than the sum of its proper divisors (1).

364763221 is an equidigital number, since it uses as much as digits as its factorization.

364763221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 364763221 is about 19098.7753795891. The cubic root of 364763221 is about 714.5023815146.

The spelling of 364763221 in words is "three hundred sixty-four million, seven hundred sixty-three thousand, two hundred twenty-one".