2625647 has 4 divisors (see below), whose sum is σ = 2629200. Its totient is φ = 2622096.

The previous prime is 2625643. The next prime is 2625653. The reversal of 2625647 is 7465262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2625647 - 2² = 2625643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625641) 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, 203 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (657300).

2^2625647 is an apocalyptic number.

2625647 is a deficient number, since it is larger than the sum of its proper divisors (3553).

2625647 is a wasteful number, since it uses less digits than its factorization.

2625647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its digits is 20160, while the sum is 32.

The square root of 2625647 is about 1620.3848308349. The cubic root of 2625647 is about 137.9575413734.

The spelling of 2625647 in words is "two million, six hundred twenty-five thousand, six hundred forty-seven".