2516545 has 16 divisors (see below), whose sum is σ = 3202560. Its totient is φ = 1894464.

The previous prime is 2516543. The next prime is 2516567. The reversal of 2516545 is 5456152.

It is not a de Polignac number, because 2516545 - 2¹ = 2516543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516543) 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, 8947 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (200160).

2^2516545 is an apocalyptic number.

It is an amenable number.

2516545 is a deficient number, since it is larger than the sum of its proper divisors (686015).

2516545 is a wasteful number, since it uses less digits than its factorization.

2516545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 6000, while the sum is 28.

The square root of 2516545 is about 1586.3621906740. The cubic root of 2516545 is about 136.0196230336.

The spelling of 2516545 in words is "two million, five hundred sixteen thousand, five hundred forty-five".