2050815 has 24 divisors (see below), whose sum is σ = 3557520. Its totient is φ = 1008384.

The previous prime is 2050813. The next prime is 2050817. The reversal of 2050815 is 5180502.

2050815 = T₂₁₈ + T₂₁₉ + ... + T₂₈₂.

It is an interprime number because it is at equal distance from previous prime (2050813) and next prime (2050817).

It is not a de Polignac number, because 2050815 - 2¹ = 2050813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2050791 and 2050800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2131 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (148230).

2^2050815 is an apocalyptic number.

2050815 is a deficient number, since it is larger than the sum of its proper divisors (1506705).

2050815 is a wasteful number, since it uses less digits than its factorization.

2050815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2050815 is about 1432.0666883913. The cubic root of 2050815 is about 127.0502415555.

The spelling of 2050815 in words is "two million, fifty thousand, eight hundred fifteen".