32947913 has 2 divisors, whose sum is σ = 32947914. Its totient is φ = 32947912.

The previous prime is 32947907. The next prime is 32947951. The reversal of 32947913 is 31974923.

It is an a-pointer prime, because the next prime (32947951) can be obtained adding 32947913 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27321529 + 5626384 = 5227^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 32947913 - 2⁴ = 32947897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32947903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16473956 + 16473957.

It is an arithmetic number, because the mean of its divisors is an integer number (16473957).

Almost surely, 2^32947913 is an apocalyptic number.

It is an amenable number.

32947913 is a deficient number, since it is larger than the sum of its proper divisors (1).

32947913 is an equidigital number, since it uses as much as digits as its factorization.

32947913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 32947913 is about 5740.0272647436. The cubic root of 32947913 is about 320.5845857077.

The spelling of 32947913 in words is "thirty-two million, nine hundred forty-seven thousand, nine hundred thirteen".