4515521652 has 18 divisors (see below), whose sum is σ = 11414235378. Its totient is φ = 1505173872.

The previous prime is 4515521651. The next prime is 4515521693. The reversal of 4515521652 is 2561255154.

4515521652 is a `hidden beast` number, since 4 + 51 + 552 + 1 + 6 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4444355556 + 71166096 = 66666^2 + 8436^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 125431157 = 4515521652 / (4 + 5 + 1 + 5 + 5 + 2 + 1 + 6 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515521651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62715543 + ... + 62715614.

Almost surely, 2^4515521652 is an apocalyptic number.

It is an amenable number.

4515521652 is an abundant number, since it is smaller than the sum of its proper divisors (6898713726).

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

4515521652 is a wasteful number, since it uses less digits than its factorization.

4515521652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125431167 (or 125431162 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 4515521652 is about 67197.6312975391. The cubic root of 4515521652 is about 1652.8596448912.

The spelling of 4515521652 in words is "four billion, five hundred fifteen million, five hundred twenty-one thousand, six hundred fifty-two".