32440313 has 2 divisors, whose sum is σ = 32440314. Its totient is φ = 32440312.

The previous prime is 32440297. The next prime is 32440319. The reversal of 32440313 is 31304423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23843689 + 8596624 = 4883^2 + 2932^2 .

It is an emirp because it is prime and its reverse (31304423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32440313 - 2⁴ = 32440297 is a prime.

It is not a weakly prime, because it can be changed into another prime (32440319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220156 + 16220157.

It is an arithmetic number, because the mean of its divisors is an integer number (16220157).

Almost surely, 2^32440313 is an apocalyptic number.

It is an amenable number.

32440313 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440313 is an equidigital number, since it uses as much as digits as its factorization.

32440313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 32440313 is about 5695.6398235844. The cubic root of 32440313 is about 318.9297349524.

Adding to 32440313 its reverse (31304423), we get a palindrome (63744736).

The spelling of 32440313 in words is "thirty-two million, four hundred forty thousand, three hundred thirteen".