532446661 has 4 divisors (see below), whose sum is σ = 532601824. Its totient is φ = 532291500.

The previous prime is 532446643. The next prime is 532446701. The reversal of 532446661 is 166644235.

532446661 = T₁₈₈₃₉ + T₁₈₈₄₀ + T₁₈₈₄₁.

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, and also an emirpimes, since its reverse is a distinct semiprime: 166644235 = 5 ⋅33328847.

It is a cyclic number.

It is not a de Polignac number, because 532446661 - 2¹⁹ = 531922373 is a prime.

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 532446661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532446631) 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, 72315 + ... + 79336.

It is an arithmetic number, because the mean of its divisors is an integer number (133150456).

Almost surely, 2^532446661 is an apocalyptic number.

532446661 is the 18841-st centered triangular number.

It is an amenable number.

532446661 is a deficient number, since it is larger than the sum of its proper divisors (155163).

532446661 is a wasteful number, since it uses less digits than its factorization.

532446661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155162.

The product of its digits is 103680, while the sum is 37.

The square root of 532446661 is about 23074.8057629961. The cubic root of 532446661 is about 810.5106067769.

The spelling of 532446661 in words is "five hundred thirty-two million, four hundred forty-six thousand, six hundred sixty-one".