32661373 has 2 divisors, whose sum is σ = 32661374. Its totient is φ = 32661372.

The previous prime is 32661371. The next prime is 32661401. The reversal of 32661373 is 37316623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 12974404 = 4437^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 32661373 - 2¹ = 32661371 is a prime.

Together with 32661371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32661371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16330686 + 16330687.

It is an arithmetic number, because the mean of its divisors is an integer number (16330687).

Almost surely, 2^32661373 is an apocalyptic number.

It is an amenable number.

32661373 is a deficient number, since it is larger than the sum of its proper divisors (1).

32661373 is an equidigital number, since it uses as much as digits as its factorization.

32661373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The square root of 32661373 is about 5715.0129483668. The cubic root of 32661373 is about 319.6525297389.

Adding to 32661373 its reverse (37316623), we get a palindrome (69977996).

The spelling of 32661373 in words is "thirty-two million, six hundred sixty-one thousand, three hundred seventy-three".