2573616 has 20 divisors (see below), whose sum is σ = 6648632. Its totient is φ = 857856.

The previous prime is 2573591. The next prime is 2573617. The reversal of 2573616 is 6163752.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2573617) 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, 26761 + ... + 26856.

2^2573616 is an apocalyptic number.

It is an amenable number.

2573616 is an abundant number, since it is smaller than the sum of its proper divisors (4075016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2573616 is a wasteful number, since it uses less digits than its factorization.

2573616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53628 (or 53622 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 2573616 is about 1604.2493571761. The cubic root of 2573616 is about 137.0401786003.

It can be divided in two parts, 25736 and 16, that added together give a palindrome (25752).

The spelling of 2573616 in words is "two million, five hundred seventy-three thousand, six hundred sixteen".