2516505 has 16 divisors (see below), whose sum is σ = 4061184. Its totient is φ = 1330560.

The previous prime is 2516497. The next prime is 2516513. The reversal of 2516505 is 5056152.

It is an interprime number because it is at equal distance from previous prime (2516497) and next prime (2516513).

It is not a de Polignac number, because 2516505 - 2³ = 2516497 is a prime.

2516505 is a lucky 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, 1245 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (253824).

2^2516505 is an apocalyptic number.

It is an amenable number.

2516505 is a deficient number, since it is larger than the sum of its proper divisors (1544679).

2516505 is a wasteful number, since it uses less digits than its factorization.

2516505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2516505 is about 1586.3495831626. The cubic root of 2516505 is about 136.0189023611.

The spelling of 2516505 in words is "two million, five hundred sixteen thousand, five hundred five".