99512603 has 2 divisors, whose sum is σ = 99512604. Its totient is φ = 99512602.

The previous prime is 99512597. The next prime is 99512653. The reversal of 99512603 is 30621599.

It is a weak prime.

It is an emirp because it is prime and its reverse (30621599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99512603 - 2²⁰ = 98464027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99512653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49756301 + 49756302.

It is an arithmetic number, because the mean of its divisors is an integer number (49756302).

Almost surely, 2^99512603 is an apocalyptic number.

99512603 is a deficient number, since it is larger than the sum of its proper divisors (1).

99512603 is an equidigital number, since it uses as much as digits as its factorization.

99512603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 99512603 is about 9975.6003829344. The cubic root of 99512603 is about 463.4035560571.

The spelling of 99512603 in words is "ninety-nine million, five hundred twelve thousand, six hundred three".