5205286129 has 4 divisors (see below), whose sum is σ = 5263772580. Its totient is φ = 5146799680.

The previous prime is 5205286111. The next prime is 5205286157. The reversal of 5205286129 is 9216825025.

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 1077480625 + 4127805504 = 32825^2 + 64248^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205286129 - 2¹¹ = 5205284081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5205286091 and 5205286100.

It is not an unprimeable number, because it can be changed into a prime (5205286529) 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, 29243092 + ... + 29243269.

It is an arithmetic number, because the mean of its divisors is an integer number (1315943145).

Almost surely, 2^5205286129 is an apocalyptic number.

It is an amenable number.

5205286129 is a deficient number, since it is larger than the sum of its proper divisors (58486451).

5205286129 is an equidigital number, since it uses as much as digits as its factorization.

5205286129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58486450.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 5205286129 is about 72147.6689089814. The cubic root of 5205286129 is about 1733.0650697715.

The spelling of 5205286129 in words is "five billion, two hundred five million, two hundred eighty-six thousand, one hundred twenty-nine".