364539521 has 2 divisors, whose sum is σ = 364539522. Its totient is φ = 364539520.

The previous prime is 364539499. The next prime is 364539607. The reversal of 364539521 is 125935463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359633296 + 4906225 = 18964^2 + 2215^2 .

It is an emirp because it is prime and its reverse (125935463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 364539521 - 2²² = 360345217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (364539221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182269760 + 182269761.

It is an arithmetic number, because the mean of its divisors is an integer number (182269761).

Almost surely, 2^364539521 is an apocalyptic number.

It is an amenable number.

364539521 is a deficient number, since it is larger than the sum of its proper divisors (1).

364539521 is an equidigital number, since it uses as much as digits as its factorization.

364539521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 364539521 is about 19092.9180849864. The cubic root of 364539521 is about 714.3562896037.

The spelling of 364539521 in words is "three hundred sixty-four million, five hundred thirty-nine thousand, five hundred twenty-one".