2521672 has 16 divisors (see below), whose sum is σ = 4746240. Its totient is φ = 1256016.

The previous prime is 2521643. The next prime is 2521681. The reversal of 2521672 is 2761252.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (296640).

2^2521672 is an apocalyptic number.

It is an amenable number.

2521672 is a deficient number, since it is larger than the sum of its proper divisors (2224568).

2521672 is a wasteful number, since it uses less digits than its factorization.

2521672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1208 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2521672 is about 1587.9773298130. The cubic root of 2521672 is about 136.1119320727. Note that the first 3 decimals are identical.

The spelling of 2521672 in words is "two million, five hundred twenty-one thousand, six hundred seventy-two".