5252120452 has 6 divisors (see below), whose sum is σ = 9191210798. Its totient is φ = 2626060224.

The previous prime is 5252120443. The next prime is 5252120473. The reversal of 5252120452 is 2540212525.

It can be written as a sum of positive squares in only one way, i.e., 2636411716 + 2615708736 = 51346^2 + 51144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5252120452.

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 as a sum of consecutive naturals, namely, 656515053 + ... + 656515060.

Almost surely, 2^5252120452 is an apocalyptic number.

It is an amenable number.

5252120452 is a deficient number, since it is larger than the sum of its proper divisors (3939090346).

5252120452 is a wasteful number, since it uses less digits than its factorization.

5252120452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313030117 (or 1313030115 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5252120452 is about 72471.5147626983. The cubic root of 5252120452 is about 1738.2472829364.

Adding to 5252120452 its reverse (2540212525), we get a palindrome (7792332977).

The spelling of 5252120452 in words is "five billion, two hundred fifty-two million, one hundred twenty thousand, four hundred fifty-two".