40713193 has 2 divisors, whose sum is σ = 40713194. Its totient is φ = 40713192.

The previous prime is 40713191. The next prime is 40713227. The reversal of 40713193 is 39131704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 1937664 = 6227^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 40713193 - 2¹ = 40713191 is a prime.

Together with 40713191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40713191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20356596 + 20356597.

It is an arithmetic number, because the mean of its divisors is an integer number (20356597).

Almost surely, 2^40713193 is an apocalyptic number.

It is an amenable number.

40713193 is a deficient number, since it is larger than the sum of its proper divisors (1).

40713193 is an equidigital number, since it uses as much as digits as its factorization.

40713193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 40713193 is about 6380.6890693717. The cubic root of 40713193 is about 344.0157989183.

Adding to 40713193 its reverse (39131704), we get a palindrome (79844897).

The spelling of 40713193 in words is "forty million, seven hundred thirteen thousand, one hundred ninety-three".