5215405243 has 8 divisors (see below), whose sum is σ = 5328019008. Its totient is φ = 5102860224.

The previous prime is 5215405219. The next prime is 5215405271. The reversal of 5215405243 is 3425045125.

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

It is a cyclic number.

It is not a de Polignac number, because 5215405243 - 2¹³ = 5215397051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215408243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154455 + ... + 185167.

It is an arithmetic number, because the mean of its divisors is an integer number (666002376).

Almost surely, 2^5215405243 is an apocalyptic number.

5215405243 is a deficient number, since it is larger than the sum of its proper divisors (112613765).

5215405243 is a wasteful number, since it uses less digits than its factorization.

5215405243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34373.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5215405243 is about 72217.7626557345. The cubic root of 5215405243 is about 1734.1873731865.

The spelling of 5215405243 in words is "five billion, two hundred fifteen million, four hundred five thousand, two hundred forty-three".