4526518481 has 8 divisors (see below), whose sum is σ = 4871355624. Its totient is φ = 4190411520.

The previous prime is 4526518457. The next prime is 4526518487. The reversal of 4526518481 is 1848156254.

It can be written as a sum of positive squares in 4 ways, for example, as 618268225 + 3908250256 = 24865^2 + 62516^2 .

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 4526518481 - 2⁶ = 4526518417 is a prime.

It is a super-2 number, since 2×4526518481² = 40978739117669094722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4526518487) 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, 2181470 + ... + 2183543.

It is an arithmetic number, because the mean of its divisors is an integer number (608919453).

Almost surely, 2^4526518481 is an apocalyptic number.

It is an amenable number.

4526518481 is a deficient number, since it is larger than the sum of its proper divisors (344837143).

4526518481 is a wasteful number, since it uses less digits than its factorization.

4526518481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365091.

The product of its digits is 307200, while the sum is 44.

The square root of 4526518481 is about 67279.4060690194. The cubic root of 4526518481 is about 1654.2003153697.

The spelling of 4526518481 in words is "four billion, five hundred twenty-six million, five hundred eighteen thousand, four hundred eighty-one".