96538721 has 2 divisors, whose sum is σ = 96538722. Its totient is φ = 96538720.

The previous prime is 96538693. The next prime is 96538769. The reversal of 96538721 is 12783569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 20151121 = 8740^2 + 4489^2 .

It is an emirp because it is prime and its reverse (12783569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 96538721 - 2¹⁰ = 96537697 is a prime.

It is not a weakly prime, because it can be changed into another prime (96538781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48269360 + 48269361.

It is an arithmetic number, because the mean of its divisors is an integer number (48269361).

Almost surely, 2^96538721 is an apocalyptic number.

It is an amenable number.

96538721 is a deficient number, since it is larger than the sum of its proper divisors (1).

96538721 is an equidigital number, since it uses as much as digits as its factorization.

96538721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 96538721 is about 9825.4120015397. The cubic root of 96538721 is about 458.7406020838.

The spelling of 96538721 in words is "ninety-six million, five hundred thirty-eight thousand, seven hundred twenty-one".