2140515 has 24 divisors (see below), whose sum is σ = 3996720. Its totient is φ = 1053504.

The previous prime is 2140513. The next prime is 2140517. The reversal of 2140515 is 5150412.

It is an interprime number because it is at equal distance from previous prime (2140513) and next prime (2140517).

It is not a de Polignac number, because 2140515 - 2¹ = 2140513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (166530).

2^2140515 is an apocalyptic number.

2140515 is a deficient number, since it is larger than the sum of its proper divisors (1856205).

2140515 is a wasteful number, since it uses less digits than its factorization.

2140515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2140515 is about 1463.0498966201. The cubic root of 2140515 is about 128.8762107966.

Adding to 2140515 its reverse (5150412), we get a palindrome (7290927).

The spelling of 2140515 in words is "two million, one hundred forty thousand, five hundred fifteen".