2513604 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 779520.

The previous prime is 2513593. The next prime is 2513617. The reversal of 2513604 is 4063152.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10672 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^2513604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2513604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2513604 is an abundant number, since it is smaller than the sum of its proper divisors (3776316).

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

2513604 is a wasteful number, since it uses less digits than its factorization.

2513604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2513604 is about 1585.4349560925. The cubic root of 2513604 is about 135.9666152196.

Adding to 2513604 its reverse (4063152), we get a palindrome (6576756).

The spelling of 2513604 in words is "two million, five hundred thirteen thousand, six hundred four".