5215245730 has 8 divisors (see below), whose sum is σ = 9387442332. Its totient is φ = 2086098288.

The previous prime is 5215245727. The next prime is 5215245733. The reversal of 5215245730 is 375425125.

It is an interprime number because it is at equal distance from previous prime (5215245727) and next prime (5215245733).

It can be written as a sum of positive squares in 2 ways, for example, as 5016463929 + 198781801 = 70827^2 + 14099^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5215245733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260762277 + ... + 260762296.

Almost surely, 2^5215245730 is an apocalyptic number.

5215245730 is a deficient number, since it is larger than the sum of its proper divisors (4172196602).

5215245730 is a wasteful number, since it uses less digits than its factorization.

5215245730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521524580.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 5215245730 is about 72216.6582583271. The cubic root of 5215245730 is about 1734.1696929847.

The spelling of 5215245730 in words is "five billion, two hundred fifteen million, two hundred forty-five thousand, seven hundred thirty".