8101873 has 4 divisors (see below), whose sum is σ = 8725108. Its totient is φ = 7478640.

The previous prime is 8101871. The next prime is 8101901. The reversal of 8101873 is 3781018.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3781018 = 2 ⋅1890509.

It can be written as a sum of positive squares in 2 ways, for example, as 3470769 + 4631104 = 1863^2 + 2152^2 .

It is not a de Polignac number, because 8101873 - 2¹ = 8101871 is a prime.

It is a super-2 number, since 2×8101873² = 131280692216258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8101871) 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 3 ways as a sum of consecutive naturals, for example, 311598 + ... + 311623.

It is an arithmetic number, because the mean of its divisors is an integer number (2181277).

Almost surely, 2^8101873 is an apocalyptic number.

It is an amenable number.

8101873 is a deficient number, since it is larger than the sum of its proper divisors (623235).

8101873 is a wasteful number, since it uses less digits than its factorization.

8101873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623234.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 8101873 is about 2846.3789276904. The cubic root of 8101873 is about 200.8453634356.

The spelling of 8101873 in words is "eight million, one hundred one thousand, eight hundred seventy-three".