5202210665 has 4 divisors (see below), whose sum is σ = 6242652804. Its totient is φ = 4161768528.

The previous prime is 5202210661. The next prime is 5202210691. The reversal of 5202210665 is 5660122025.

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 2985966736 + 2216243929 = 54644^2 + 47077^2 .

It is a cyclic number.

It is not a de Polignac number, because 5202210665 - 2² = 5202210661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5202210661) 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, 520221062 + ... + 520221071.

It is an arithmetic number, because the mean of its divisors is an integer number (1560663201).

Almost surely, 2^5202210665 is an apocalyptic number.

It is an amenable number.

5202210665 is a deficient number, since it is larger than the sum of its proper divisors (1040442139).

5202210665 is a wasteful number, since it uses less digits than its factorization.

5202210665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040442138.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5202210665 is about 72126.3520843804. The cubic root of 5202210665 is about 1732.7236841648.

The spelling of 5202210665 in words is "five billion, two hundred two million, two hundred ten thousand, six hundred sixty-five".