32661543 has 8 divisors (see below), whose sum is σ = 44611056. Its totient is φ = 21243200.

The previous prime is 32661533. The next prime is 32661547. The reversal of 32661543 is 34516623.

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

It is a cyclic number.

It is not a de Polignac number, because 32661543 - 2¹⁴ = 32645159 is a prime.

It is a super-2 number, since 2×32661543² = 2133552782281698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32661543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32661547) 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, 132648 + ... + 132893.

It is an arithmetic number, because the mean of its divisors is an integer number (5576382).

Almost surely, 2^32661543 is an apocalyptic number.

32661543 is a deficient number, since it is larger than the sum of its proper divisors (11949513).

32661543 is a wasteful number, since it uses less digits than its factorization.

32661543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265585.

The product of its digits is 12960, while the sum is 30.

The square root of 32661543 is about 5715.0278214546. The cubic root of 32661543 is about 319.6530843271.

The spelling of 32661543 in words is "thirty-two million, six hundred sixty-one thousand, five hundred forty-three".