5252644947 has 16 divisors (see below), whose sum is σ = 7642926720. Its totient is φ = 3182289600.

The previous prime is 5252644933. The next prime is 5252645071. The reversal of 5252644947 is 7494462525.

It is not a de Polignac number, because 5252644947 - 2⁶ = 5252644883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5252644896 and 5252644905.

It is not an unprimeable number, because it can be changed into a prime (5252604947) 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, 71172 + ... + 124782.

It is an arithmetic number, because the mean of its divisors is an integer number (477682920).

Almost surely, 2^5252644947 is an apocalyptic number.

5252644947 is a deficient number, since it is larger than the sum of its proper divisors (2390281773).

5252644947 is a wasteful number, since it uses less digits than its factorization.

5252644947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56594.

The product of its digits is 2419200, while the sum is 48.

The square root of 5252644947 is about 72475.1333010157. The cubic root of 5252644947 is about 1738.3051434819.

The spelling of 5252644947 in words is "five billion, two hundred fifty-two million, six hundred forty-four thousand, nine hundred forty-seven".