2604216533 has 4 divisors (see below), whose sum is σ = 2653352748. Its totient is φ = 2555080320.

The previous prime is 2604216529. The next prime is 2604216541. The reversal of 2604216533 is 3356124062.

2604216533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2329220644 + 274995889 = 48262^2 + 16583^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604216533 - 2² = 2604216529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2604216533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604216833) 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, 24568028 + ... + 24568133.

It is an arithmetic number, because the mean of its divisors is an integer number (663338187).

Almost surely, 2^2604216533 is an apocalyptic number.

It is an amenable number.

2604216533 is a deficient number, since it is larger than the sum of its proper divisors (49136215).

2604216533 is an equidigital number, since it uses as much as digits as its factorization.

2604216533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49136214.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2604216533 is about 51031.5248939320. The cubic root of 2604216533 is about 1375.8118019170.

The spelling of 2604216533 in words is "two billion, six hundred four million, two hundred sixteen thousand, five hundred thirty-three".