5208171433 has 4 divisors (see below), whose sum is σ = 5261864020. Its totient is φ = 5154478848.

The previous prime is 5208171407. The next prime is 5208171457. The reversal of 5208171433 is 3341718025.

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 4245434649 + 962736784 = 65157^2 + 31028^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208171433 - 2¹⁷ = 5208040361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208171533) 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, 26846148 + ... + 26846341.

It is an arithmetic number, because the mean of its divisors is an integer number (1315466005).

Almost surely, 2^5208171433 is an apocalyptic number.

It is an amenable number.

5208171433 is a deficient number, since it is larger than the sum of its proper divisors (53692587).

5208171433 is an equidigital number, since it uses as much as digits as its factorization.

5208171433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53692586.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 5208171433 is about 72167.6619615739. The cubic root of 5208171433 is about 1733.3852248230.

Adding to 5208171433 its reverse (3341718025), we get a palindrome (8549889458).

The spelling of 5208171433 in words is "five billion, two hundred eight million, one hundred seventy-one thousand, four hundred thirty-three".