973272913 has 2 divisors, whose sum is σ = 973272914. Its totient is φ = 973272912.

The previous prime is 973272871. The next prime is 973272919. The reversal of 973272913 is 319272379.

973272913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879241104 + 94031809 = 29652^2 + 9697^2 .

It is a cyclic number.

It is not a de Polignac number, because 973272913 - 2⁹ = 973272401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 973272913.

It is not a weakly prime, because it can be changed into another prime (973272919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486636456 + 486636457.

It is an arithmetic number, because the mean of its divisors is an integer number (486636457).

Almost surely, 2^973272913 is an apocalyptic number.

It is an amenable number.

973272913 is a deficient number, since it is larger than the sum of its proper divisors (1).

973272913 is an equidigital number, since it uses as much as digits as its factorization.

973272913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 973272913 is about 31197.3222088050. The cubic root of 973272913 is about 991.0104002550.

The spelling of 973272913 in words is "nine hundred seventy-three million, two hundred seventy-two thousand, nine hundred thirteen".