18875095 has 4 divisors (see below), whose sum is σ = 22650120. Its totient is φ = 15100072.

The previous prime is 18875081. The next prime is 18875107. The reversal of 18875095 is 59057881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59057881 = 17 ⋅3473993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18875095 is a prime.

It is a super-2 number, since 2×18875095² = 712538422518050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887505 + ... + 1887514.

It is an arithmetic number, because the mean of its divisors is an integer number (5662530).

Almost surely, 2^18875095 is an apocalyptic number.

18875095 is a deficient number, since it is larger than the sum of its proper divisors (3775025).

18875095 is an equidigital number, since it uses as much as digits as its factorization.

18875095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775024.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 18875095 is about 4344.5477325033. The cubic root of 18875095 is about 266.2541477750.

The spelling of 18875095 in words is "eighteen million, eight hundred seventy-five thousand, ninety-five".