2645516 has 12 divisors (see below), whose sum is σ = 4657632. Its totient is φ = 1314768.

The previous prime is 2645507. The next prime is 2645519. The reversal of 2645516 is 6155462.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2645519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (388136).

2^2645516 is an apocalyptic number.

It is an amenable number.

2645516 is a deficient number, since it is larger than the sum of its proper divisors (2012116).

2645516 is a wasteful number, since it uses less digits than its factorization.

2645516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3998 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 2645516 is about 1626.5042268620. The cubic root of 2645516 is about 138.3046549476.

The spelling of 2645516 in words is "two million, six hundred forty-five thousand, five hundred sixteen".