32570257 has 2 divisors, whose sum is σ = 32570258. Its totient is φ = 32570256.

The previous prime is 32570233. The next prime is 32570261. The reversal of 32570257 is 75207523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27973521 + 4596736 = 5289^2 + 2144^2 .

It is an emirp because it is prime and its reverse (75207523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32570257 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (32570227) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16285128 + 16285129.

It is an arithmetic number, because the mean of its divisors is an integer number (16285129).

Almost surely, 2^32570257 is an apocalyptic number.

It is an amenable number.

32570257 is a deficient number, since it is larger than the sum of its proper divisors (1).

32570257 is an equidigital number, since it uses as much as digits as its factorization.

32570257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 32570257 is about 5707.0357454637. The cubic root of 32570257 is about 319.3550061587.

The spelling of 32570257 in words is "thirty-two million, five hundred seventy thousand, two hundred fifty-seven".