99461321 has 2 divisors, whose sum is σ = 99461322. Its totient is φ = 99461320.

The previous prime is 99461317. The next prime is 99461381. The reversal of 99461321 is 12316499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98803600 + 657721 = 9940^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 99461321 - 2² = 99461317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99461381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49730660 + 49730661.

It is an arithmetic number, because the mean of its divisors is an integer number (49730661).

Almost surely, 2^99461321 is an apocalyptic number.

It is an amenable number.

99461321 is a deficient number, since it is larger than the sum of its proper divisors (1).

99461321 is an equidigital number, since it uses as much as digits as its factorization.

99461321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 99461321 is about 9973.0296800922. The cubic root of 99461321 is about 463.3239401968.

The spelling of 99461321 in words is "ninety-nine million, four hundred sixty-one thousand, three hundred twenty-one".