32775913 has 2 divisors, whose sum is σ = 32775914. Its totient is φ = 32775912.

The previous prime is 32775907. The next prime is 32775917. The reversal of 32775913 is 31957723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16999129 + 15776784 = 4123^2 + 3972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32775913 is a prime.

It is not a weakly prime, because it can be changed into another prime (32775917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16387956 + 16387957.

It is an arithmetic number, because the mean of its divisors is an integer number (16387957).

Almost surely, 2^32775913 is an apocalyptic number.

It is an amenable number.

32775913 is a deficient number, since it is larger than the sum of its proper divisors (1).

32775913 is an equidigital number, since it uses as much as digits as its factorization.

32775913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 32775913 is about 5725.0251527832. The cubic root of 32775913 is about 320.0257563904.

The spelling of 32775913 in words is "thirty-two million, seven hundred seventy-five thousand, nine hundred thirteen".