2137555 has 16 divisors (see below), whose sum is σ = 2957760. Its totient is φ = 1452672.

The previous prime is 2137549. The next prime is 2137571. The reversal of 2137555 is 5557312.

2137555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2137555 - 2³ = 2137547 is a prime.

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, 5301 + ... + 5689.

It is an arithmetic number, because the mean of its divisors is an integer number (184860).

2^2137555 is an apocalyptic number.

2137555 is a deficient number, since it is larger than the sum of its proper divisors (820205).

2137555 is a wasteful number, since it uses less digits than its factorization.

2137555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 5250, while the sum is 28.

The square root of 2137555 is about 1462.0379612035. The cubic root of 2137555 is about 128.8167781276.

The spelling of 2137555 in words is "two million, one hundred thirty-seven thousand, five hundred fifty-five".