2081355 has 32 divisors (see below), whose sum is σ = 3590400. Its totient is φ = 1026432.

The previous prime is 2081353. The next prime is 2081369. The reversal of 2081355 is 5531802.

It is not a de Polignac number, because 2081355 - 2¹ = 2081353 is a prime.

2081355 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19041 + ... + 19149.

It is an arithmetic number, because the mean of its divisors is an integer number (112200).

2^2081355 is an apocalyptic number.

2081355 is a deficient number, since it is larger than the sum of its proper divisors (1509045).

2081355 is a wasteful number, since it uses less digits than its factorization.

2081355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2081355 is about 1442.6901954335. The cubic root of 2081355 is about 127.6777988492.

The spelling of 2081355 in words is "two million, eighty-one thousand, three hundred fifty-five".