99500261 has 8 divisors (see below), whose sum is σ = 114054720. Its totient is φ = 85030848.

The previous prime is 99500257. The next prime is 99500267. The reversal of 99500261 is 16200599.

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

It is not a de Polignac number, because 99500261 - 2² = 99500257 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 (99500267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18731 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (14256840).

Almost surely, 2^99500261 is an apocalyptic number.

It is an amenable number.

99500261 is a deficient number, since it is larger than the sum of its proper divisors (14554459).

99500261 is a wasteful number, since it uses less digits than its factorization.

99500261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42523.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 99500261 is about 9974.9817543693. The cubic root of 99500261 is about 463.3843974682.

The spelling of 99500261 in words is "ninety-nine million, five hundred thousand, two hundred sixty-one".