99950513 has 8 divisors (see below), whose sum is σ = 109404456. Its totient is φ = 90748800.

The previous prime is 99950503. The next prime is 99950581. The reversal of 99950513 is 31505999.

It can be written as a sum of positive squares in 4 ways, for example, as 7463824 + 92486689 = 2732^2 + 9617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99950513 - 2¹⁶ = 99884977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99950503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62228 + ... + 63813.

It is an arithmetic number, because the mean of its divisors is an integer number (13675557).

Almost surely, 2^99950513 is an apocalyptic number.

It is an amenable number.

99950513 is a deficient number, since it is larger than the sum of its proper divisors (9453943).

99950513 is a wasteful number, since it uses less digits than its factorization.

99950513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126115.

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 99950513 is about 9997.5253438038. The cubic root of 99950513 is about 464.0823046255.

The spelling of 99950513 in words is "ninety-nine million, nine hundred fifty thousand, five hundred thirteen".