2055515 has 32 divisors (see below), whose sum is σ = 3248640. Its totient is φ = 1209600.

The previous prime is 2055511. The next prime is 2055541. The reversal of 2055515 is 5155502.

It is not a de Polignac number, because 2055515 - 2² = 2055511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7175 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2^2055515 is an apocalyptic number.

2055515 is a deficient number, since it is larger than the sum of its proper divisors (1193125).

2055515 is a wasteful number, since it uses less digits than its factorization.

2055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 2055515 is about 1433.7067343080. The cubic root of 2055515 is about 127.1472242264.

The spelling of 2055515 in words is "two million, fifty-five thousand, five hundred fifteen".