5206221263 has 4 divisors (see below), whose sum is σ = 5220407520. Its totient is φ = 5192035008.

The previous prime is 5206221247. The next prime is 5206221269. The reversal of 5206221263 is 3621226025.

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

It is a cyclic number.

It is not a de Polignac number, because 5206221263 - 2⁴ = 5206221247 is a prime.

It is a super-3 number, since 3×5206221263³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206221269) 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, 7092578 + ... + 7093311.

It is an arithmetic number, because the mean of its divisors is an integer number (1305101880).

Almost surely, 2^5206221263 is an apocalyptic number.

5206221263 is a deficient number, since it is larger than the sum of its proper divisors (14186257).

5206221263 is a wasteful number, since it uses less digits than its factorization.

5206221263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14186256.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5206221263 is about 72154.1493124269. The cubic root of 5206221263 is about 1733.1688457529.

Adding to 5206221263 its reverse (3621226025), we get a palindrome (8827447288).

The spelling of 5206221263 in words is "five billion, two hundred six million, two hundred twenty-one thousand, two hundred sixty-three".