32487643 has 2 divisors, whose sum is σ = 32487644. Its totient is φ = 32487642.

The previous prime is 32487617. The next prime is 32487671. The reversal of 32487643 is 34678423.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32487643 - 2²¹ = 30390491 is a prime.

It is not a weakly prime, because it can be changed into another prime (32487043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16243821 + 16243822.

It is an arithmetic number, because the mean of its divisors is an integer number (16243822).

Almost surely, 2^32487643 is an apocalyptic number.

32487643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32487643 is an equidigital number, since it uses as much as digits as its factorization.

32487643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 32487643 is about 5699.7932418641. The cubic root of 32487643 is about 319.0847643771.

The spelling of 32487643 in words is "thirty-two million, four hundred eighty-seven thousand, six hundred forty-three".