2061355 has 8 divisors (see below), whose sum is σ = 2497392. Its totient is φ = 1633248.

The previous prime is 2061341. The next prime is 2061361. The reversal of 2061355 is 5531602.

It is a happy number.

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

It is not a de Polignac number, because 2061355 - 2⁹ = 2060843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (312174).

2^2061355 is an apocalyptic number.

2061355 is a deficient number, since it is larger than the sum of its proper divisors (436037).

2061355 is a wasteful number, since it uses less digits than its factorization.

2061355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2061355 is about 1435.7419684609. The cubic root of 2061355 is about 127.2675246018.

Adding to 2061355 its reverse (5531602), we get a palindrome (7592957).

The spelling of 2061355 in words is "two million, sixty-one thousand, three hundred fifty-five".