2073815 has 4 divisors (see below), whose sum is σ = 2488584. Its totient is φ = 1659048.

The previous prime is 2073811. The next prime is 2073823. The reversal of 2073815 is 5183702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5183702 = 2 ⋅2591851.

It is a cyclic number.

It is not a de Polignac number, because 2073815 - 2² = 2073811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073811) 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, 207377 + ... + 207386.

It is an arithmetic number, because the mean of its divisors is an integer number (622146).

2^2073815 is an apocalyptic number.

2073815 is a deficient number, since it is larger than the sum of its proper divisors (414769).

2073815 is an equidigital number, since it uses as much as digits as its factorization.

2073815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414768.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2073815 is about 1440.0746508428. The cubic root of 2073815 is about 127.5234353948.

The spelling of 2073815 in words is "two million, seventy-three thousand, eight hundred fifteen".