5205135223 has 4 divisors (see below), whose sum is σ = 5207407528. Its totient is φ = 5202862920.

The previous prime is 5205135217. The next prime is 5205135233. The reversal of 5205135223 is 3225315025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205135223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5205135191 and 5205135200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205135203) 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, 1132713 + ... + 1137298.

It is an arithmetic number, because the mean of its divisors is an integer number (1301851882).

Almost surely, 2^5205135223 is an apocalyptic number.

5205135223 is a deficient number, since it is larger than the sum of its proper divisors (2272305).

5205135223 is a wasteful number, since it uses less digits than its factorization.

5205135223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272304.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 5205135223 is about 72146.6230879866. The cubic root of 5205135223 is about 1733.0483218964.

The spelling of 5205135223 in words is "five billion, two hundred five million, one hundred thirty-five thousand, two hundred twenty-three".