96651209 has 2 divisors, whose sum is σ = 96651210. Its totient is φ = 96651208.

The previous prime is 96651193. The next prime is 96651251. The reversal of 96651209 is 90215669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91489225 + 5161984 = 9565^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 96651209 - 2⁴ = 96651193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (96651109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48325604 + 48325605.

It is an arithmetic number, because the mean of its divisors is an integer number (48325605).

Almost surely, 2^96651209 is an apocalyptic number.

It is an amenable number.

96651209 is a deficient number, since it is larger than the sum of its proper divisors (1).

96651209 is an equidigital number, since it uses as much as digits as its factorization.

96651209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 96651209 is about 9831.1346751024. The cubic root of 96651209 is about 458.9187094883.

The spelling of 96651209 in words is "ninety-six million, six hundred fifty-one thousand, two hundred nine".