5210502305 has 4 divisors (see below), whose sum is σ = 6252602772. Its totient is φ = 4168401840.

The previous prime is 5210502301. The next prime is 5210502307. The reversal of 5210502305 is 5032050125.

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 3686068369 + 1524433936 = 60713^2 + 39044^2 .

It is not a de Polignac number, because 5210502305 - 2² = 5210502301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5210502301) 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, 521050226 + ... + 521050235.

It is an arithmetic number, because the mean of its divisors is an integer number (1563150693).

Almost surely, 2^5210502305 is an apocalyptic number.

It is an amenable number.

5210502305 is a deficient number, since it is larger than the sum of its proper divisors (1042100467).

5210502305 is a wasteful number, since it uses less digits than its factorization.

5210502305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042100466.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5210502305 is about 72183.8091610577. The cubic root of 5210502305 is about 1733.6437734361.

The spelling of 5210502305 in words is "five billion, two hundred ten million, five hundred two thousand, three hundred five".