5208604169 has 4 divisors (see below), whose sum is σ = 5213829444. Its totient is φ = 5203378896.

The previous prime is 5208604157. The next prime is 5208604183. The reversal of 5208604169 is 9614068025.

It is a happy number.

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 4876927225 + 331676944 = 69835^2 + 18212^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208604169 - 2⁴ = 5208604153 is a prime.

It is a super-2 number, since 2×5208604169² = 54259114778648361122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208604199) 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, 2611142 + ... + 2613135.

It is an arithmetic number, because the mean of its divisors is an integer number (1303457361).

Almost surely, 2^5208604169 is an apocalyptic number.

It is an amenable number.

5208604169 is a deficient number, since it is larger than the sum of its proper divisors (5225275).

5208604169 is an equidigital number, since it uses as much as digits as its factorization.

5208604169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225274.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 5208604169 is about 72170.6600288511. The cubic root of 5208604169 is about 1733.4332312699.

The spelling of 5208604169 in words is "five billion, two hundred eight million, six hundred four thousand, one hundred sixty-nine".