4524665521 has 8 divisors (see below), whose sum is σ = 4682998080. Its totient is φ = 4366486992.

The previous prime is 4524665503. The next prime is 4524665531. The reversal of 4524665521 is 1255664254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4524665521 - 2⁵ = 4524665489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4524665531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22956 + ... + 97858.

It is an arithmetic number, because the mean of its divisors is an integer number (585374760).

Almost surely, 2^4524665521 is an apocalyptic number.

It is an amenable number.

4524665521 is a deficient number, since it is larger than the sum of its proper divisors (158332559).

4524665521 is a wasteful number, since it uses less digits than its factorization.

4524665521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77015.

The product of its digits is 288000, while the sum is 40.

The square root of 4524665521 is about 67265.6340265964. The cubic root of 4524665521 is about 1653.9745653167.

The spelling of 4524665521 in words is "four billion, five hundred twenty-four million, six hundred sixty-five thousand, five hundred twenty-one".