2604063 has 16 divisors (see below), whose sum is σ = 4329216. Its totient is φ = 1352640.

The previous prime is 2604061. The next prime is 2604071. The reversal of 2604063 is 3604062.

It is not a de Polignac number, because 2604063 - 2¹ = 2604061 is a prime.

It is a super-2 number, since 2×2604063² = 13562288215938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5406 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (270576).

2^2604063 is an apocalyptic number.

2604063 is a deficient number, since it is larger than the sum of its proper divisors (1725153).

2604063 is a wasteful number, since it uses less digits than its factorization.

2604063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2604063 is about 1613.7109406582. The cubic root of 2604063 is about 137.5784764142.

Subtracting 2604063 from its reverse (3604062), we obtain a palindrome (999999).

The spelling of 2604063 in words is "two million, six hundred four thousand, sixty-three".