2015042003 has 16 divisors (see below), whose sum is σ = 2249402400. Its totient is φ = 1792277760.

The previous prime is 2015041997. The next prime is 2015042009. The reversal of 2015042003 is 3002405102.

It is an interprime number because it is at equal distance from previous prime (2015041997) and next prime (2015042009).

It is not a de Polignac number, because 2015042003 - 2²⁰ = 2013993427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2015042009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191288 + ... + 201546.

It is an arithmetic number, because the mean of its divisors is an integer number (140587650).

Almost surely, 2^2015042003 is an apocalyptic number.

2015042003 is a deficient number, since it is larger than the sum of its proper divisors (234360397).

2015042003 is a wasteful number, since it uses less digits than its factorization.

2015042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822.

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

The square root of 2015042003 is about 44889.2192291200. The cubic root of 2015042003 is about 1263.0717868501.

Adding to 2015042003 its reverse (3002405102), we get a palindrome (5017447105).

The spelling of 2015042003 in words is "two billion, fifteen million, forty-two thousand, three".