99256601 has 4 divisors (see below), whose sum is σ = 100135092. Its totient is φ = 98378112.

The previous prime is 99256541. The next prime is 99256643. The reversal of 99256601 is 10665299.

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 10896601 + 88360000 = 3301^2 + 9400^2 .

It is a cyclic number.

It is not a de Polignac number, because 99256601 - 2⁶ = 99256537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99256691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439076 + ... + 439301.

It is an arithmetic number, because the mean of its divisors is an integer number (25033773).

Almost surely, 2^99256601 is an apocalyptic number.

It is an amenable number.

99256601 is a deficient number, since it is larger than the sum of its proper divisors (878491).

99256601 is a wasteful number, since it uses less digits than its factorization.

99256601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878490.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 99256601 is about 9962.7607117706. The cubic root of 99256601 is about 463.0058372132.

The spelling of 99256601 in words is "ninety-nine million, two hundred fifty-six thousand, six hundred one".