9770531 has 2 divisors, whose sum is σ = 9770532. Its totient is φ = 9770530.

The previous prime is 9770489. The next prime is 9770533. The reversal of 9770531 is 1350779.

It is a strong prime.

It is an emirp because it is prime and its reverse (1350779) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9770531 is a prime.

It is a super-2 number, since 2×9770531² = 190926552043922, which contains 22 as substring.

Together with 9770533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9770533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885265 + 4885266.

It is an arithmetic number, because the mean of its divisors is an integer number (4885266).

Almost surely, 2^9770531 is an apocalyptic number.

9770531 is a deficient number, since it is larger than the sum of its proper divisors (1).

9770531 is an equidigital number, since it uses as much as digits as its factorization.

9770531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 9770531 is about 3125.7848614388. The cubic root of 9770531 is about 213.7827810148.

It can be divided in two parts, 9770 and 531, that added together give a palindrome (10301).

The spelling of 9770531 in words is "nine million, seven hundred seventy thousand, five hundred thirty-one".