2061255 has 32 divisors (see below), whose sum is σ = 3838464. Its totient is φ = 925056.

The previous prime is 2061247. The next prime is 2061271. The reversal of 2061255 is 5521602.

It is not a de Polignac number, because 2061255 - 2³ = 2061247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

2061255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6889 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (119952).

2^2061255 is an apocalyptic number.

2061255 is a deficient number, since it is larger than the sum of its proper divisors (1777209).

2061255 is a wasteful number, since it uses less digits than its factorization.

2061255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2061255 is about 1435.7071428394. The cubic root of 2061255 is about 127.2654665771.

Adding to 2061255 its reverse (5521602), we get a palindrome (7582857).

The spelling of 2061255 in words is "two million, sixty-one thousand, two hundred fifty-five".