921214337 has 2 divisors, whose sum is σ = 921214338. Its totient is φ = 921214336.

The previous prime is 921214313. The next prime is 921214367. The reversal of 921214337 is 733412129.

921214337 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., 731215681 + 189998656 = 27041^2 + 13784^2 .

It is an emirp because it is prime and its reverse (733412129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 921214337 - 2¹⁰ = 921213313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (921214367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460607168 + 460607169.

It is an arithmetic number, because the mean of its divisors is an integer number (460607169).

Almost surely, 2^921214337 is an apocalyptic number.

It is an amenable number.

921214337 is a deficient number, since it is larger than the sum of its proper divisors (1).

921214337 is an equidigital number, since it uses as much as digits as its factorization.

921214337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 921214337 is about 30351.5129276944. The cubic root of 921214337 is about 973.0165549663.

The spelling of 921214337 in words is "nine hundred twenty-one million, two hundred fourteen thousand, three hundred thirty-seven".