2150015 has 16 divisors (see below), whose sum is σ = 3013632. Its totient is φ = 1441824.

The previous prime is 2150011. The next prime is 2150023. The reversal of 2150015 is 5100512.

It is a cyclic number.

It is not a de Polignac number, because 2150015 - 2² = 2150011 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 (2150011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (188352).

2^2150015 is an apocalyptic number.

2150015 is a deficient number, since it is larger than the sum of its proper divisors (863617).

2150015 is a wasteful number, since it uses less digits than its factorization.

2150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2150015 is about 1466.2929448101. The cubic root of 2150015 is about 129.0665882209.

Adding to 2150015 its reverse (5100512), we get a palindrome (7250527).

The spelling of 2150015 in words is "two million, one hundred fifty thousand, fifteen".