7408913 has 2 divisors, whose sum is σ = 7408914. Its totient is φ = 7408912.

The previous prime is 7408909. The next prime is 7408931. The reversal of 7408913 is 3198047.

Together with next prime (7408931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3810304 + 3598609 = 1952^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 7408913 - 2² = 7408909 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7408913.

It is not a weakly prime, because it can be changed into another prime (7408903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3704456 + 3704457.

It is an arithmetic number, because the mean of its divisors is an integer number (3704457).

Almost surely, 2^7408913 is an apocalyptic number.

It is an amenable number.

7408913 is a deficient number, since it is larger than the sum of its proper divisors (1).

7408913 is an equidigital number, since it uses as much as digits as its factorization.

7408913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7408913 is about 2721.9318507266. The cubic root of 7408913 is about 194.9477221245.

The spelling of 7408913 in words is "seven million, four hundred eight thousand, nine hundred thirteen".