2505042515 has 16 divisors (see below), whose sum is σ = 3017966688. Its totient is φ = 1996110336.

The previous prime is 2505042467. The next prime is 2505042541. The reversal of 2505042515 is 5152405052.

It is a cyclic number.

It is not a de Polignac number, because 2505042515 - 2²⁰ = 2503993939 is a prime.

It is a Duffinian 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, 2024477 + ... + 2025713.

It is an arithmetic number, because the mean of its divisors is an integer number (188622918).

Almost surely, 2^2505042515 is an apocalyptic number.

2505042515 is a deficient number, since it is larger than the sum of its proper divisors (512924173).

2505042515 is a wasteful number, since it uses less digits than its factorization.

2505042515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2505042515 is about 50050.3997486534. The cubic root of 2505042515 is about 1358.1206949149.

Adding to 2505042515 its reverse (5152405052), we get a palindrome (7657447567).

The spelling of 2505042515 in words is "two billion, five hundred five million, forty-two thousand, five hundred fifteen".