2141555 has 16 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 1545600.

The previous prime is 2141549. The next prime is 2141569. The reversal of 2141555 is 5551412.

It is a happy number.

2141555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2141555 - 2⁸ = 2141299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141555.

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 15 ways as a sum of consecutive naturals, for example, 2705 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

2^2141555 is an apocalyptic number.

2141555 is a deficient number, since it is larger than the sum of its proper divisors (688909).

2141555 is a wasteful number, since it uses less digits than its factorization.

2141555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its digits is 1000, while the sum is 23.

The square root of 2141555 is about 1463.4052753766. The cubic root of 2141555 is about 128.8970795374.

Adding to 2141555 its reverse (5551412), we get a palindrome (7692967).

The spelling of 2141555 in words is "two million, one hundred forty-one thousand, five hundred fifty-five".