652112487521 has 24 divisors (see below), whose sum is σ = 719429813760. Its totient is φ = 590645119680.

The previous prime is 652112487487. The next prime is 652112487539. The reversal of 652112487521 is 125784211256.

It is a happy number.

It is not a de Polignac number, because 652112487521 - 2¹⁴ = 652112471137 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652112486521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50129000 + ... + 50142006.

It is an arithmetic number, because the mean of its divisors is an integer number (29976242240).

Almost surely, 2^652112487521 is an apocalyptic number.

It is an amenable number.

652112487521 is a deficient number, since it is larger than the sum of its proper divisors (67317326239).

652112487521 is a wasteful number, since it uses less digits than its factorization.

652112487521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525 (or 14514 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

Adding to 652112487521 its reverse (125784211256), we get a palindrome (777896698777).

The spelling of 652112487521 in words is "six hundred fifty-two billion, one hundred twelve million, four hundred eighty-seven thousand, five hundred twenty-one".