99506501 has 2 divisors, whose sum is σ = 99506502. Its totient is φ = 99506500.

The previous prime is 99506483. The next prime is 99506507. The reversal of 99506501 is 10560599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 5997601 = 9670^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 99506501 - 2⁶ = 99506437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99506507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49753250 + 49753251.

It is an arithmetic number, because the mean of its divisors is an integer number (49753251).

Almost surely, 2^99506501 is an apocalyptic number.

It is an amenable number.

99506501 is a deficient number, since it is larger than the sum of its proper divisors (1).

99506501 is an equidigital number, since it uses as much as digits as its factorization.

99506501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 99506501 is about 9975.2945319925. The cubic root of 99506501 is about 463.3940840699.

The spelling of 99506501 in words is "ninety-nine million, five hundred six thousand, five hundred one".