2053515 has 16 divisors (see below), whose sum is σ = 3479328. Its totient is φ = 1030656.

The previous prime is 2053507. The next prime is 2053517. The reversal of 2053515 is 5153502.

It is not a de Polignac number, because 2053515 - 2³ = 2053507 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2053491 and 2053500.

It is not an unprimeable number, because it can be changed into a prime (2053517) 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 15 ways as a sum of consecutive naturals, for example, 3772 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (217458).

2^2053515 is an apocalyptic number.

2053515 is a deficient number, since it is larger than the sum of its proper divisors (1425813).

2053515 is a wasteful number, since it uses less digits than its factorization.

2053515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2053515 is about 1433.0090718485. The cubic root of 2053515 is about 127.1059730933.

It can be divided in two parts, 20535 and 15, that multiplied together give a square (308025 = 555²).

The spelling of 2053515 in words is "two million, fifty-three thousand, five hundred fifteen".