2545516 has 12 divisors (see below), whose sum is σ = 4485600. Its totient is φ = 1263920.

The previous prime is 2545513. The next prime is 2545519. The reversal of 2545516 is 6155452.

It is an interprime number because it is at equal distance from previous prime (2545513) and next prime (2545519).

It is not an unprimeable number, because it can be changed into a prime (2545513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (373800).

2^2545516 is an apocalyptic number.

It is an amenable number.

2545516 is a deficient number, since it is larger than the sum of its proper divisors (1940084).

2545516 is a wasteful number, since it uses less digits than its factorization.

2545516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4422 counting only the distinct ones).

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

The square root of 2545516 is about 1595.4673296561. The cubic root of 2545516 is about 136.5395950201.

The spelling of 2545516 in words is "two million, five hundred forty-five thousand, five hundred sixteen".