366849521 has 2 divisors, whose sum is σ = 366849522. Its totient is φ = 366849520.

The previous prime is 366849503. The next prime is 366849559. The reversal of 366849521 is 125948663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304991296 + 61858225 = 17464^2 + 7865^2 .

It is a cyclic number.

It is not a de Polignac number, because 366849521 - 2¹⁰ = 366848497 is a prime.

It is not a weakly prime, because it can be changed into another prime (366849121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183424760 + 183424761.

It is an arithmetic number, because the mean of its divisors is an integer number (183424761).

Almost surely, 2^366849521 is an apocalyptic number.

It is an amenable number.

366849521 is a deficient number, since it is larger than the sum of its proper divisors (1).

366849521 is an equidigital number, since it uses as much as digits as its factorization.

366849521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 366849521 is about 19153.3161880652. The cubic root of 366849521 is about 715.8620154030.

The spelling of 366849521 in words is "three hundred sixty-six million, eight hundred forty-nine thousand, five hundred twenty-one".