2530816 has 20 divisors (see below), whose sum is σ = 5057712. Its totient is φ = 1265152.

The previous prime is 2530799. The next prime is 2530831. The reversal of 2530816 is 6180352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960 + ... + 2983.

2^2530816 is an apocalyptic number.

It is an amenable number.

2530816 is a deficient number, since it is larger than the sum of its proper divisors (2526896).

2530816 is an frugal number, since it uses more digits than its factorization.

2530816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2530816 is about 1590.8538587815. The cubic root of 2530816 is about 136.2762550756.

The spelling of 2530816 in words is "two million, five hundred thirty thousand, eight hundred sixteen".