2055251 has 4 divisors (see below), whose sum is σ = 2242104. Its totient is φ = 1868400.

The previous prime is 2055247. The next prime is 2055253. The reversal of 2055251 is 1525502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2055251 - 2² = 2055247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 93410 + ... + 93431.

It is an arithmetic number, because the mean of its divisors is an integer number (560526).

2^2055251 is an apocalyptic number.

2055251 is a deficient number, since it is larger than the sum of its proper divisors (186853).

2055251 is a wasteful number, since it uses less digits than its factorization.

2055251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186852.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2055251 is about 1433.6146623134. The cubic root of 2055251 is about 127.1417806102.

The spelling of 2055251 in words is "two million, fifty-five thousand, two hundred fifty-one".