99596261 has 2 divisors, whose sum is σ = 99596262. Its totient is φ = 99596260.

The previous prime is 99596249. The next prime is 99596269. The reversal of 99596261 is 16269599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 38365636 = 7825^2 + 6194^2 .

It is an emirp because it is prime and its reverse (16269599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99596261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99596269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49798130 + 49798131.

It is an arithmetic number, because the mean of its divisors is an integer number (49798131).

Almost surely, 2^99596261 is an apocalyptic number.

It is an amenable number.

99596261 is a deficient number, since it is larger than the sum of its proper divisors (1).

99596261 is an equidigital number, since it uses as much as digits as its factorization.

99596261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 47.

The square root of 99596261 is about 9979.7926331162. The cubic root of 99596261 is about 463.5333773225.

The spelling of 99596261 in words is "ninety-nine million, five hundred ninety-six thousand, two hundred sixty-one".