527089661 has 4 divisors (see below), whose sum is σ = 602388192. Its totient is φ = 451791132.

The previous prime is 527089639. The next prime is 527089669. The reversal of 527089661 is 166980725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 527089661 - 2¹⁰ = 527088637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527089669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37649255 + ... + 37649268.

It is an arithmetic number, because the mean of its divisors is an integer number (150597048).

Almost surely, 2^527089661 is an apocalyptic number.

It is an amenable number.

527089661 is a deficient number, since it is larger than the sum of its proper divisors (75298531).

527089661 is an equidigital number, since it uses as much as digits as its factorization.

527089661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75298530.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 527089661 is about 22958.4333306957. The cubic root of 527089661 is about 807.7832295383.

The spelling of 527089661 in words is "five hundred twenty-seven million, eighty-nine thousand, six hundred sixty-one".