367021 has 2 divisors, whose sum is σ = 367022. Its totient is φ = 367020.

The previous prime is 367019. The next prime is 367027. The reversal of 367021 is 120763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 12996 = 595^2 + 114^2 .

It is an emirp because it is prime and its reverse (120763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 367021 - 2¹ = 367019 is a prime.

Together with 367019, it forms a pair of twin primes.

367021 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 367021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (367027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183510 + 183511.

It is an arithmetic number, because the mean of its divisors is an integer number (183511).

2³⁶⁷⁰²¹ is an apocalyptic number.

It is an amenable number.

367021 is a deficient number, since it is larger than the sum of its proper divisors (1).

367021 is an equidigital number, since it uses as much as digits as its factorization.

367021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 367021 is about 605.8225812893. The cubic root of 367021 is about 71.5973538133.

Adding to 367021 its reverse (120763), we get a palindrome (487784).

The spelling of 367021 in words is "three hundred sixty-seven thousand, twenty-one".