7973453 has 2 divisors, whose sum is σ = 7973454. Its totient is φ = 7973452.

The previous prime is 7973443. The next prime is 7973461. The reversal of 7973453 is 3543797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 1435204 = 2557^2 + 1198^2 .

It is an emirp because it is prime and its reverse (3543797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7973453 - 2¹⁰ = 7972429 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 (7973423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986726 + 3986727.

It is an arithmetic number, because the mean of its divisors is an integer number (3986727).

Almost surely, 2^7973453 is an apocalyptic number.

It is an amenable number.

7973453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7973453 is an equidigital number, since it uses as much as digits as its factorization.

7973453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 38.

The square root of 7973453 is about 2823.7303341502. The cubic root of 7973453 is about 199.7785298454.

The spelling of 7973453 in words is "seven million, nine hundred seventy-three thousand, four hundred fifty-three".