2055149 has 4 divisors (see below), whose sum is σ = 2074464. Its totient is φ = 2035836.

The previous prime is 2055133. The next prime is 2055187. The reversal of 2055149 is 9415502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2055149 - 2⁴ = 2055133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9497 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (518616).

2^2055149 is an apocalyptic number.

It is an amenable number.

2055149 is a deficient number, since it is larger than the sum of its proper divisors (19315).

2055149 is a wasteful number, since it uses less digits than its factorization.

2055149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19314.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2055149 is about 1433.5790874591. The cubic root of 2055149 is about 127.1396772700.

The spelling of 2055149 in words is "two million, fifty-five thousand, one hundred forty-nine".