532686561 has 8 divisors (see below), whose sum is σ = 774816864. Its totient is φ = 322840320.

The previous prime is 532686541. The next prime is 532686577. The reversal of 532686561 is 165686235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 532686561 - 2⁷ = 532686433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (532686541) 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, 8070976 + ... + 8071041.

It is an arithmetic number, because the mean of its divisors is an integer number (96852108).

Almost surely, 2^532686561 is an apocalyptic number.

It is an amenable number.

532686561 is a deficient number, since it is larger than the sum of its proper divisors (242130303).

532686561 is a wasteful number, since it uses less digits than its factorization.

532686561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142031.

The product of its digits is 259200, while the sum is 42.

The square root of 532686561 is about 23080.0034878680. The cubic root of 532686561 is about 810.6323168082.

The spelling of 532686561 in words is "five hundred thirty-two million, six hundred eighty-six thousand, five hundred sixty-one".