32452561 has 4 divisors (see below), whose sum is σ = 32464624. Its totient is φ = 32440500.

The previous prime is 32452559. The next prime is 32452571. The reversal of 32452561 is 16525423.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16525423 = 103 ⋅160441.

It is a cyclic number.

It is not a de Polignac number, because 32452561 - 2¹ = 32452559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32452501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (8116156).

Almost surely, 2^32452561 is an apocalyptic number.

It is an amenable number.

32452561 is a deficient number, since it is larger than the sum of its proper divisors (12063).

32452561 is an equidigital number, since it uses as much as digits as its factorization.

32452561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062.

The product of its digits is 7200, while the sum is 28.

The square root of 32452561 is about 5696.7149305543. The cubic root of 32452561 is about 318.9698677329.

Adding to 32452561 its reverse (16525423), we get a palindrome (48977984).

The spelling of 32452561 in words is "thirty-two million, four hundred fifty-two thousand, five hundred sixty-one".