5206505652 has 72 divisors (see below), whose sum is σ = 13579902336. Its totient is φ = 1681012224.

The previous prime is 5206505651. The next prime is 5206505677. The reversal of 5206505652 is 2565056025.

It is a super-2 number, since 2×5206505652² = 54215402208615890208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206505651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 148263 + ... + 179985.

Almost surely, 2^5206505652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5206505652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6789951168).

5206505652 is an abundant number, since it is smaller than the sum of its proper divisors (8373396684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5206505652 is a wasteful number, since it uses less digits than its factorization.

5206505652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31877 (or 31872 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5206505652 is about 72156.1199899219. The cubic root of 5206505652 is about 1733.2004032016.

The spelling of 5206505652 in words is "five billion, two hundred six million, five hundred five thousand, six hundred fifty-two".