532426661 has 8 divisors (see below), whose sum is σ = 573592824. Its totient is φ = 491290560.

The previous prime is 532426649. The next prime is 532426681. The reversal of 532426661 is 166624235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51984100 + 480442561 = 7210^2 + 21919^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532426661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532426681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40835 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (71699103).

Almost surely, 2^532426661 is an apocalyptic number.

It is an amenable number.

532426661 is a deficient number, since it is larger than the sum of its proper divisors (41166163).

532426661 is a wasteful number, since it uses less digits than its factorization.

532426661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15031.

The product of its digits is 51840, while the sum is 35.

The square root of 532426661 is about 23074.3723858310. The cubic root of 532426661 is about 810.5004583957.

The spelling of 532426661 in words is "five hundred thirty-two million, four hundred twenty-six thousand, six hundred sixty-one".