5212350665 has 8 divisors (see below), whose sum is σ = 6256673928. Its totient is φ = 4168645120.

The previous prime is 5212350659. The next prime is 5212350707. The reversal of 5212350665 is 5660532125.

It can be written as a sum of positive squares in 4 ways, for example, as 2128991881 + 3083358784 = 46141^2 + 55528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5212350665 - 2⁶ = 5212350601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135656 + ... + 169785.

It is an arithmetic number, because the mean of its divisors is an integer number (782084241).

Almost surely, 2^5212350665 is an apocalyptic number.

It is an amenable number.

5212350665 is a deficient number, since it is larger than the sum of its proper divisors (1044323263).

5212350665 is a wasteful number, since it uses less digits than its factorization.

5212350665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308859.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 5212350665 is about 72196.6111739325. The cubic root of 5212350665 is about 1733.8487452914.

The spelling of 5212350665 in words is "five billion, two hundred twelve million, three hundred fifty thousand, six hundred sixty-five".