32149973 has 2 divisors, whose sum is σ = 32149974. Its totient is φ = 32149972.

The previous prime is 32149937. The next prime is 32149979. The reversal of 32149973 is 37994123.

Together with previous prime (32149937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 8898289 = 4822^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 32149973 - 2⁸ = 32149717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32149979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16074986 + 16074987.

It is an arithmetic number, because the mean of its divisors is an integer number (16074987).

Almost surely, 2^32149973 is an apocalyptic number.

It is an amenable number.

32149973 is a deficient number, since it is larger than the sum of its proper divisors (1).

32149973 is an equidigital number, since it uses as much as digits as its factorization.

32149973 is an evil number, because the sum of its binary digits is even.

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

The square root of 32149973 is about 5670.0946200218. The cubic root of 32149973 is about 317.9754111230.

The spelling of 32149973 in words is "thirty-two million, one hundred forty-nine thousand, nine hundred seventy-three".