2542015 has 16 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 1712160.

The previous prime is 2542009. The next prime is 2542021. The reversal of 2542015 is 5102452.

It is an interprime number because it is at equal distance from previous prime (2542009) and next prime (2542021).

It is not a de Polignac number, because 2542015 - 2⁹ = 2541503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2541983 and 2542001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^2542015 is an apocalyptic number.

2542015 is a deficient number, since it is larger than the sum of its proper divisors (1006145).

2542015 is a wasteful number, since it uses less digits than its factorization.

2542015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2542015 is about 1594.3697814497. The cubic root of 2542015 is about 136.4769692837.

Adding to 2542015 its reverse (5102452), we get a palindrome (7644467).

The spelling of 2542015 in words is "two million, five hundred forty-two thousand, fifteen".