4521352081 has 9 divisors (see below), whose sum is σ = 4773191241. Its totient is φ = 4282175844.

The previous prime is 4521352067. The next prime is 4521352091. The reversal of 4521352081 is 1802531254.

The square root of 4521352081 is 67241.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4521352081 - 2¹⁹ = 4520827793 is a prime.

It is a super-2 number, since 2×4521352081² = 40885249280726061122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521352061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1275810 + ... + 1279348.

Almost surely, 2^4521352081 is an apocalyptic number.

4521352081 is the 67241-st square number.

4521352081 is the 33621-st centered octagonal number.

It is an amenable number.

4521352081 is a deficient number, since it is larger than the sum of its proper divisors (251839160).

4521352081 is an frugal number, since it uses more digits than its factorization.

4521352081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The cubic root of 4521352081 is about 1653.5707281884.

The spelling of 4521352081 in words is "four billion, five hundred twenty-one million, three hundred fifty-two thousand, eighty-one".