2043215 has 4 divisors (see below), whose sum is σ = 2451864. Its totient is φ = 1634568.

The previous prime is 2043199. The next prime is 2043257. The reversal of 2043215 is 5123402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2043215 - 2⁴ = 2043199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043193 and 2043202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204317 + ... + 204326.

It is an arithmetic number, because the mean of its divisors is an integer number (612966).

2^2043215 is an apocalyptic number.

2043215 is a deficient number, since it is larger than the sum of its proper divisors (408649).

2043215 is an equidigital number, since it uses as much as digits as its factorization.

2043215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408648.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2043215 is about 1429.4107177435. The cubic root of 2043215 is about 126.8931045047.

Adding to 2043215 its reverse (5123402), we get a palindrome (7166617).

The spelling of 2043215 in words is "two million, forty-three thousand, two hundred fifteen".