96831509 has 2 divisors, whose sum is σ = 96831510. Its totient is φ = 96831508.

The previous prime is 96831503. The next prime is 96831521. The reversal of 96831509 is 90513869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 30360100 = 8153^2 + 5510^2 .

It is a cyclic number.

It is not a de Polignac number, because 96831509 - 2¹² = 96827413 is a prime.

It is a super-2 number, since 2×96831509² = 18752682270434162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96831503) 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, 48415754 + 48415755.

It is an arithmetic number, because the mean of its divisors is an integer number (48415755).

Almost surely, 2^96831509 is an apocalyptic number.

It is an amenable number.

96831509 is a deficient number, since it is larger than the sum of its proper divisors (1).

96831509 is an equidigital number, since it uses as much as digits as its factorization.

96831509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 96831509 is about 9840.3002494843. The cubic root of 96831509 is about 459.2038986955.

The spelling of 96831509 in words is "ninety-six million, eight hundred thirty-one thousand, five hundred nine".