9021137 has 2 divisors, whose sum is σ = 9021138. Its totient is φ = 9021136.

The previous prime is 9021127. The next prime is 9021149. The reversal of 9021137 is 7311209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7392961 + 1628176 = 2719^2 + 1276^2 .

It is an emirp because it is prime and its reverse (7311209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9021137 - 2⁸ = 9020881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9021127) 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, 4510568 + 4510569.

It is an arithmetic number, because the mean of its divisors is an integer number (4510569).

Almost surely, 2^9021137 is an apocalyptic number.

It is an amenable number.

9021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9021137 is an equidigital number, since it uses as much as digits as its factorization.

9021137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 9021137 is about 3003.5207673662. The cubic root of 9021137 is about 208.1710947392.

The spelling of 9021137 in words is "nine million, twenty-one thousand, one hundred thirty-seven".