5220751945 has 16 divisors (see below), whose sum is σ = 6604698240. Its totient is φ = 3953816064.

The previous prime is 5220751931. The next prime is 5220751951. The reversal of 5220751945 is 5491570225.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5220751945 - 2²⁵ = 5187197513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5220751898 and 5220751907.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 222855 + ... + 245164.

It is an arithmetic number, because the mean of its divisors is an integer number (412793640).

Almost surely, 2^5220751945 is an apocalyptic number.

It is an amenable number.

5220751945 is a deficient number, since it is larger than the sum of its proper divisors (1383946295).

5220751945 is a wasteful number, since it uses less digits than its factorization.

5220751945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468144.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 5220751945 is about 72254.7710881434. The cubic root of 5220751945 is about 1734.7797858519.

The spelling of 5220751945 in words is "five billion, two hundred twenty million, seven hundred fifty-one thousand, nine hundred forty-five".