99613001 has 2 divisors, whose sum is σ = 99613002. Its totient is φ = 99613000.

The previous prime is 99612971. The next prime is 99613009. The reversal of 99613001 is 10031699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86508601 + 13104400 = 9301^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 99613001 - 2⁶ = 99612937 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 (99613009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49806500 + 49806501.

It is an arithmetic number, because the mean of its divisors is an integer number (49806501).

Almost surely, 2^99613001 is an apocalyptic number.

It is an amenable number.

99613001 is a deficient number, since it is larger than the sum of its proper divisors (1).

99613001 is an equidigital number, since it uses as much as digits as its factorization.

99613001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 99613001 is about 9980.6312926588. The cubic root of 99613001 is about 463.5593458812.

The spelling of 99613001 in words is "ninety-nine million, six hundred thirteen thousand, one".