100894285 has 4 divisors (see below), whose sum is σ = 121073148. Its totient is φ = 80715424.

The previous prime is 100894273. The next prime is 100894291. The reversal of 100894285 is 582498001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582498001 = 181 ⋅3218221.

It can be written as a sum of positive squares in 2 ways, for example, as 64738116 + 36156169 = 8046^2 + 6013^2 .

It is a cyclic number.

It is not a de Polignac number, because 100894285 - 2²¹ = 98797133 is a prime.

It is a super-2 number, since 2×100894285² = 20359313491322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10089424 + ... + 10089433.

It is an arithmetic number, because the mean of its divisors is an integer number (30268287).

Almost surely, 2^100894285 is an apocalyptic number.

It is an amenable number.

100894285 is a deficient number, since it is larger than the sum of its proper divisors (20178863).

100894285 is an equidigital number, since it uses as much as digits as its factorization.

100894285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20178862.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 100894285 is about 10044.6147263098. The cubic root of 100894285 is about 465.5384136100.

The spelling of 100894285 in words is "one hundred million, eight hundred ninety-four thousand, two hundred eighty-five".