2005274 has 8 divisors (see below), whose sum is σ = 3014388. Its totient is φ = 1000480.

The previous prime is 2005261. The next prime is 2005277. The reversal of 2005274 is 4725002.

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 196249 = 1345^2 + 443^2 .

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

It is a super-2 number, since 2×2005274² = 8042247630152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005277) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 614 + ... + 2094.

2^2005274 is an apocalyptic number.

2005274 is a deficient number, since it is larger than the sum of its proper divisors (1009114).

2005274 is a wasteful number, since it uses less digits than its factorization.

2005274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2005274 is about 1416.0769753089. The cubic root of 2005274 is about 126.1027548455.

The spelling of 2005274 in words is "two million, five thousand, two hundred seventy-four".