5243420505 has 16 divisors (see below), whose sum is σ = 8594095104. Its totient is φ = 2728283520.

The previous prime is 5243420471. The next prime is 5243420509. The reversal of 5243420505 is 5050243425.

It is not a de Polignac number, because 5243420505 - 2¹⁰ = 5243419481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5243420509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4262329 + ... + 4263558.

It is an arithmetic number, because the mean of its divisors is an integer number (537130944).

Almost surely, 2^5243420505 is an apocalyptic number.

It is an amenable number.

5243420505 is a deficient number, since it is larger than the sum of its proper divisors (3350674599).

5243420505 is a wasteful number, since it uses less digits than its factorization.

5243420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525936.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 5243420505 is about 72411.4666679249. The cubic root of 5243420505 is about 1737.2869713118.

The spelling of 5243420505 in words is "five billion, two hundred forty-three million, four hundred twenty thousand, five hundred five".