9497381 has 2 divisors, whose sum is σ = 9497382. Its totient is φ = 9497380.

The previous prime is 9497357. The next prime is 9497387. The reversal of 9497381 is 1837949.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 1934881 = 2750^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 9497381 - 2¹⁴ = 9480997 is a prime.

It is a super-2 number, since 2×9497381² = 180400491718322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9497387) 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, 4748690 + 4748691.

It is an arithmetic number, because the mean of its divisors is an integer number (4748691).

Almost surely, 2^9497381 is an apocalyptic number.

It is an amenable number.

9497381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9497381 is an equidigital number, since it uses as much as digits as its factorization.

9497381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 9497381 is about 3081.7821142969. The cubic root of 9497381 is about 211.7717149293.

The spelling of 9497381 in words is "nine million, four hundred ninety-seven thousand, three hundred eighty-one".