101958385 has 4 divisors (see below), whose sum is σ = 122350068. Its totient is φ = 81566704.

The previous prime is 101958359. The next prime is 101958413. The reversal of 101958385 is 583859101.

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 11404129 + 90554256 = 3377^2 + 9516^2 .

It is a cyclic number.

It is not a de Polignac number, because 101958385 - 2⁷ = 101958257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 10195834 + ... + 10195843.

It is an arithmetic number, because the mean of its divisors is an integer number (30587517).

Almost surely, 2^101958385 is an apocalyptic number.

It is an amenable number.

101958385 is a deficient number, since it is larger than the sum of its proper divisors (20391683).

101958385 is an equidigital number, since it uses as much as digits as its factorization.

101958385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20391682.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 101958385 is about 10097.4444786788. Note that the first 4 decimals coincide. The cubic root of 101958385 is about 467.1693220482.

The spelling of 101958385 in words is "one hundred one million, nine hundred fifty-eight thousand, three hundred eighty-five".