2604516353 has 4 divisors (see below), whose sum is σ = 2604809940. Its totient is φ = 2604222768.

The previous prime is 2604516337. The next prime is 2604516379. The reversal of 2604516353 is 3536154062.

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 150601984 + 2453914369 = 12272^2 + 49537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604516353 - 2⁴ = 2604516337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2604516323) 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, 133058 + ... + 151371.

It is an arithmetic number, because the mean of its divisors is an integer number (651202485).

Almost surely, 2^2604516353 is an apocalyptic number.

It is an amenable number.

2604516353 is a deficient number, since it is larger than the sum of its proper divisors (293587).

2604516353 is an equidigital number, since it uses as much as digits as its factorization.

2604516353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293586.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2604516353 is about 51034.4624053198. The cubic root of 2604516353 is about 1375.8645983544.

The spelling of 2604516353 in words is "two billion, six hundred four million, five hundred sixteen thousand, three hundred fifty-three".