2516648 has 8 divisors (see below), whose sum is σ = 4718730. Its totient is φ = 1258320.

The previous prime is 2516603. The next prime is 2516659. The reversal of 2516648 is 8466152.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 13924 = 1582^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157283 + ... + 157298.

2^2516648 is an apocalyptic number.

It is an amenable number.

2516648 is a deficient number, since it is larger than the sum of its proper divisors (2202082).

2516648 is a wasteful number, since it uses less digits than its factorization.

2516648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314587 (or 314583 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2516648 is about 1586.3946545548. The cubic root of 2516648 is about 136.0214787299.

The spelling of 2516648 in words is "two million, five hundred sixteen thousand, six hundred forty-eight".