2054187 has 8 divisors (see below), whose sum is σ = 3043280. Its totient is φ = 1369440.

The previous prime is 2054179. The next prime is 2054189. The reversal of 2054187 is 7814502.

It is not a de Polignac number, because 2054187 - 2³ = 2054179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 76081 = 2054187 / (2 + 0 + 5 + 4 + 1 + 8 + 7).

It is a Duffinian number.

2054187 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054187.

It is not an unprimeable number, because it can be changed into a prime (2054189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38014 + ... + 38067.

It is an arithmetic number, because the mean of its divisors is an integer number (380410).

2^2054187 is an apocalyptic number.

2054187 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2054187 is a deficient number, since it is larger than the sum of its proper divisors (989093).

2054187 is an equidigital number, since it uses as much as digits as its factorization.

2054187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76090 (or 76084 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2054187 is about 1433.2435243182. The cubic root of 2054187 is about 127.1198364607.

Adding to 2054187 its reverse (7814502), we get a palindrome (9868689).

The spelling of 2054187 in words is "two million, fifty-four thousand, one hundred eighty-seven".