9771313 has 2 divisors, whose sum is σ = 9771314. Its totient is φ = 9771312.

The previous prime is 9771299. The next prime is 9771317. The reversal of 9771313 is 3131779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7436529 + 2334784 = 2727^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 9771313 - 2¹³ = 9763121 is a prime.

9771313 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9771317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885656 + 4885657.

It is an arithmetic number, because the mean of its divisors is an integer number (4885657).

Almost surely, 2^9771313 is an apocalyptic number.

It is an amenable number.

9771313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9771313 is an equidigital number, since it uses as much as digits as its factorization.

9771313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969, while the sum is 31.

The square root of 9771313 is about 3125.9099475193. The cubic root of 9771313 is about 213.7884843444.

The spelling of 9771313 in words is "nine million, seven hundred seventy-one thousand, three hundred thirteen".