32943997 has 2 divisors, whose sum is σ = 32943998. Its totient is φ = 32943996.

The previous prime is 32943941. The next prime is 32944003. The reversal of 32943997 is 79934923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32387481 + 556516 = 5691^2 + 746^2 .

It is an emirp because it is prime and its reverse (79934923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32943997 - 2¹¹ = 32941949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32946997) 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, 16471998 + 16471999.

It is an arithmetic number, because the mean of its divisors is an integer number (16471999).

Almost surely, 2^32943997 is an apocalyptic number.

It is an amenable number.

32943997 is a deficient number, since it is larger than the sum of its proper divisors (1).

32943997 is an equidigital number, since it uses as much as digits as its factorization.

32943997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 46.

The square root of 32943997 is about 5739.6861412450. The cubic root of 32943997 is about 320.5718842559.

The spelling of 32943997 in words is "thirty-two million, nine hundred forty-three thousand, nine hundred ninety-seven".