528571481 has 4 divisors (see below), whose sum is σ = 533804964. Its totient is φ = 523338000.

The previous prime is 528571471. The next prime is 528571493. The reversal of 528571481 is 184175825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462637081 + 65934400 = 21509^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 528571481 - 2¹⁰ = 528570457 is a prime.

It is a super-2 number, since 2×528571481² = 558775621053066722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528571471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616590 + ... + 2616791.

It is an arithmetic number, because the mean of its divisors is an integer number (133451241).

Almost surely, 2^528571481 is an apocalyptic number.

It is an amenable number.

528571481 is a deficient number, since it is larger than the sum of its proper divisors (5233483).

528571481 is a wasteful number, since it uses less digits than its factorization.

528571481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233482.

The product of its digits is 89600, while the sum is 41.

The square root of 528571481 is about 22990.6824822579. The cubic root of 528571481 is about 808.5395014934.

The spelling of 528571481 in words is "five hundred twenty-eight million, five hundred seventy-one thousand, four hundred eighty-one".