2135555 has 8 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 1688896.

The previous prime is 2135537. The next prime is 2135563. The reversal of 2135555 is 5555312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2135555 - 2¹⁴ = 2119171 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

2^2135555 is an apocalyptic number.

2135555 is a deficient number, since it is larger than the sum of its proper divisors (456445).

2135555 is an equidigital number, since it uses as much as digits as its factorization.

2135555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893.

The product of its digits is 3750, while the sum is 26.

The square root of 2135555 is about 1461.3538243697. The cubic root of 2135555 is about 128.7765898518.

The spelling of 2135555 in words is "two million, one hundred thirty-five thousand, five hundred fifty-five".