973956457 has 2 divisors, whose sum is σ = 973956458. Its totient is φ = 973956456.

The previous prime is 973956443. The next prime is 973956491. The reversal of 973956457 is 754659379.

973956457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937523161 + 36433296 = 30619^2 + 6036^2 .

It is an emirp because it is prime and its reverse (754659379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 973956457 - 2¹¹ = 973954409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 973956398 and 973956407.

It is not a weakly prime, because it can be changed into another prime (973956497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486978228 + 486978229.

It is an arithmetic number, because the mean of its divisors is an integer number (486978229).

Almost surely, 2^973956457 is an apocalyptic number.

It is an amenable number.

973956457 is a deficient number, since it is larger than the sum of its proper divisors (1).

973956457 is an equidigital number, since it uses as much as digits as its factorization.

973956457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7144200, while the sum is 55.

The square root of 973956457 is about 31208.2754570002. The cubic root of 973956457 is about 991.2423463972.

The spelling of 973956457 in words is "nine hundred seventy-three million, nine hundred fifty-six thousand, four hundred fifty-seven".