37063921 has 2 divisors, whose sum is σ = 37063922. Its totient is φ = 37063920.

The previous prime is 37063909. The next prime is 37063937. The reversal of 37063921 is 12936073.

37063921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22896225 + 14167696 = 4785^2 + 3764^2 .

It is an emirp because it is prime and its reverse (12936073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37063921 - 2¹¹ = 37061873 is a prime.

It is not a weakly prime, because it can be changed into another prime (37063951) 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, 18531960 + 18531961.

It is an arithmetic number, because the mean of its divisors is an integer number (18531961).

Almost surely, 2^37063921 is an apocalyptic number.

It is an amenable number.

37063921 is a deficient number, since it is larger than the sum of its proper divisors (1).

37063921 is an equidigital number, since it uses as much as digits as its factorization.

37063921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 37063921 is about 6088.0145367763. The cubic root of 37063921 is about 333.4139657159.

Adding to 37063921 its reverse (12936073), we get a palindrome (49999994).

The spelling of 37063921 in words is "thirty-seven million, sixty-three thousand, nine hundred twenty-one".