96540989 has 2 divisors, whose sum is σ = 96540990. Its totient is φ = 96540988.

The previous prime is 96540953. The next prime is 96540991. The reversal of 96540989 is 98904569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89624089 + 6916900 = 9467^2 + 2630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96540989 is a prime.

It is a super-3 number, since 3×96540989³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 96540991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96540949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48270494 + 48270495.

It is an arithmetic number, because the mean of its divisors is an integer number (48270495).

Almost surely, 2^96540989 is an apocalyptic number.

It is an amenable number.

96540989 is a deficient number, since it is larger than the sum of its proper divisors (1).

96540989 is an equidigital number, since it uses as much as digits as its factorization.

96540989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 96540989 is about 9825.5274158693. The cubic root of 96540989 is about 458.7441944784.

The spelling of 96540989 in words is "ninety-six million, five hundred forty thousand, nine hundred eighty-nine".