2150815 has 8 divisors (see below), whose sum is σ = 2599200. Its totient is φ = 1708512.

The previous prime is 2150809. The next prime is 2150821. The reversal of 2150815 is 5180512.

2150815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2150809) and next prime (2150821).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2150815 - 2⁵ = 2150783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (324900).

2^2150815 is an apocalyptic number.

2150815 is a deficient number, since it is larger than the sum of its proper divisors (448385).

2150815 is a wasteful number, since it uses less digits than its factorization.

2150815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2150815 is about 1466.5657162228. The cubic root of 2150815 is about 129.0825943831.

The spelling of 2150815 in words is "two million, one hundred fifty thousand, eight hundred fifteen".