527662081 has 4 divisors (see below), whose sum is σ = 529540164. Its totient is φ = 525784000.

The previous prime is 527662039. The next prime is 527662097. The reversal of 527662081 is 180266725.

It is a happy number.

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 330512400 + 197149681 = 18180^2 + 14041^2 .

It is a cyclic number.

It is not a de Polignac number, because 527662081 - 2⁹ = 527661569 is a prime.

It is a super-2 number, since 2×527662081² = 556854543450501122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 527662081.

It is not an unprimeable number, because it can be changed into a prime (527662381) 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, 938620 + ... + 939181.

It is an arithmetic number, because the mean of its divisors is an integer number (132385041).

Almost surely, 2^527662081 is an apocalyptic number.

It is an amenable number.

527662081 is a deficient number, since it is larger than the sum of its proper divisors (1878083).

527662081 is a wasteful number, since it uses less digits than its factorization.

527662081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878082.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 527662081 is about 22970.8963908682. The cubic root of 527662081 is about 808.0755415967.

The spelling of 527662081 in words is "five hundred twenty-seven million, six hundred sixty-two thousand, eighty-one".