2187854001 has 12 divisors (see below), whose sum is σ = 3297635328. Its totient is φ = 1395153144.

The previous prime is 2187853991. The next prime is 2187854029. The reversal of 2187854001 is 1004587812.

It is not a de Polignac number, because 2187854001 - 2²¹ = 2185756849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2187854401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5284465 + ... + 5284878.

It is an arithmetic number, because the mean of its divisors is an integer number (274802944).

Almost surely, 2^2187854001 is an apocalyptic number.

It is an amenable number.

2187854001 is a deficient number, since it is larger than the sum of its proper divisors (1109781327).

2187854001 is a wasteful number, since it uses less digits than its factorization.

2187854001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569372 (or 10569369 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2187854001 is about 46774.5016114549. The cubic root of 2187854001 is about 1298.1935463755.

The spelling of 2187854001 in words is "two billion, one hundred eighty-seven million, eight hundred fifty-four thousand, one".