32572489 has 2 divisors, whose sum is σ = 32572490. Its totient is φ = 32572488.

The previous prime is 32572471. The next prime is 32572511. The reversal of 32572489 is 98427523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 9455625 = 4808^2 + 3075^2 .

It is an emirp because it is prime and its reverse (98427523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32572489 is a prime.

It is not a weakly prime, because it can be changed into another prime (32572789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16286244 + 16286245.

It is an arithmetic number, because the mean of its divisors is an integer number (16286245).

Almost surely, 2^32572489 is an apocalyptic number.

It is an amenable number.

32572489 is a deficient number, since it is larger than the sum of its proper divisors (1).

32572489 is an equidigital number, since it uses as much as digits as its factorization.

32572489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 32572489 is about 5707.2312902142. The cubic root of 32572489 is about 319.3623009951.

The spelling of 32572489 in words is "thirty-two million, five hundred seventy-two thousand, four hundred eighty-nine".