9421331 has 2 divisors, whose sum is σ = 9421332. Its totient is φ = 9421330.

The previous prime is 9421309. The next prime is 9421351. The reversal of 9421331 is 1331249.

It is a strong prime.

It is an emirp because it is prime and its reverse (1331249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9421331 - 2¹⁴ = 9404947 is a prime.

It is a super-2 number, since 2×9421331² = 177522955623122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9421297 and 9421306.

It is not a weakly prime, because it can be changed into another prime (9421351) 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, 4710665 + 4710666.

It is an arithmetic number, because the mean of its divisors is an integer number (4710666).

Almost surely, 2^9421331 is an apocalyptic number.

9421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9421331 is an equidigital number, since it uses as much as digits as its factorization.

9421331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 9421331 is about 3069.4186746027. The cubic root of 9421331 is about 211.2049475019.

The spelling of 9421331 in words is "nine million, four hundred twenty-one thousand, three hundred thirty-one".