32161271 has 2 divisors, whose sum is σ = 32161272. Its totient is φ = 32161270.

The previous prime is 32161267. The next prime is 32161277. The reversal of 32161271 is 17216123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32161271 - 2² = 32161267 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32161277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080635 + 16080636.

It is an arithmetic number, because the mean of its divisors is an integer number (16080636).

Almost surely, 2^32161271 is an apocalyptic number.

32161271 is a deficient number, since it is larger than the sum of its proper divisors (1).

32161271 is an equidigital number, since it uses as much as digits as its factorization.

32161271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 32161271 is about 5671.0908121807. The cubic root of 32161271 is about 318.0126539273.

Adding to 32161271 its reverse (17216123), we get a palindrome (49377394).

The spelling of 32161271 in words is "thirty-two million, one hundred sixty-one thousand, two hundred seventy-one".