2150915 has 8 divisors (see below), whose sum is σ = 2779728. Its totient is φ = 1588320.

The previous prime is 2150881. The next prime is 2150917. The reversal of 2150915 is 5190512.

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

It is not a de Polignac number, because 2150915 - 2¹⁶ = 2085379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16481 + ... + 16610.

It is an arithmetic number, because the mean of its divisors is an integer number (347466).

2^2150915 is an apocalyptic number.

2150915 is a deficient number, since it is larger than the sum of its proper divisors (628813).

2150915 is a wasteful number, since it uses less digits than its factorization.

2150915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33109.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 2150915 is about 1466.5998090822. The cubic root of 2150915 is about 129.0845948743.

The spelling of 2150915 in words is "two million, one hundred fifty thousand, nine hundred fifteen".