32661371 has 2 divisors, whose sum is σ = 32661372. Its totient is φ = 32661370.

The previous prime is 32661367. The next prime is 32661373. The reversal of 32661371 is 17316623.

It is a strong prime.

It is an emirp because it is prime and its reverse (17316623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32661371 - 2² = 32661367 is a prime.

Together with 32661373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32661373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16330685 + 16330686.

It is an arithmetic number, because the mean of its divisors is an integer number (16330686).

Almost surely, 2^32661371 is an apocalyptic number.

32661371 is a deficient number, since it is larger than the sum of its proper divisors (1).

32661371 is an equidigital number, since it uses as much as digits as its factorization.

32661371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 32661371 is about 5715.0127733890. The cubic root of 32661371 is about 319.6525232143.

Adding to 32661371 its reverse (17316623), we get a palindrome (49977994).

The spelling of 32661371 in words is "thirty-two million, six hundred sixty-one thousand, three hundred seventy-one".