99190501 has 4 divisors (see below), whose sum is σ = 99221004. Its totient is φ = 99160000.

The previous prime is 99190463. The next prime is 99190519. The reversal of 99190501 is 10509199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35988001 + 63202500 = 5999^2 + 7950^2 .

It is a cyclic number.

It is not a de Polignac number, because 99190501 - 2⁷ = 99190373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99190571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9700 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (24805251).

Almost surely, 2^99190501 is an apocalyptic number.

It is an amenable number.

99190501 is a deficient number, since it is larger than the sum of its proper divisors (30503).

99190501 is a wasteful number, since it uses less digits than its factorization.

99190501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 99190501 is about 9959.4428056995. The cubic root of 99190501 is about 462.9030347068.

The spelling of 99190501 in words is "ninety-nine million, one hundred ninety thousand, five hundred one".