99010061 has 2 divisors, whose sum is σ = 99010062. Its totient is φ = 99010060.

The previous prime is 99010027. The next prime is 99010073. The reversal of 99010061 is 16001099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 1612900 = 9869^2 + 1270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99010061 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99010061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99010661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49505030 + 49505031.

It is an arithmetic number, because the mean of its divisors is an integer number (49505031).

Almost surely, 2^99010061 is an apocalyptic number.

It is an amenable number.

99010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

99010061 is an equidigital number, since it uses as much as digits as its factorization.

99010061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 99010061 is about 9950.3799424947. The cubic root of 99010061 is about 462.6221713774.

The spelling of 99010061 in words is "ninety-nine million, ten thousand, sixty-one".