5220240545 has 16 divisors (see below), whose sum is σ = 6783860160. Its totient is φ = 3833402304.

The previous prime is 5220240533. The next prime is 5220240589. The reversal of 5220240545 is 5450420225.

It is a cyclic number.

It is not a de Polignac number, because 5220240545 - 2¹² = 5220236449 is a prime.

It is a super-2 number, since 2×5220240545² = 54501822695323794050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212699 + ... + 235968.

It is an arithmetic number, because the mean of its divisors is an integer number (423991260).

Almost surely, 2^5220240545 is an apocalyptic number.

It is an amenable number.

5220240545 is a deficient number, since it is larger than the sum of its proper divisors (1563619615).

5220240545 is a wasteful number, since it uses less digits than its factorization.

5220240545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448864.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 5220240545 is about 72251.2321348224. The cubic root of 5220240545 is about 1734.7231404133.

The spelling of 5220240545 in words is "five billion, two hundred twenty million, two hundred forty thousand, five hundred forty-five".