971393053 has 4 divisors (see below), whose sum is σ = 981010908. Its totient is φ = 961775200.

The previous prime is 971393047. The next prime is 971393099. The reversal of 971393053 is 350393179.

971393053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 884586564 + 86806489 = 29742^2 + 9317^2 .

It is a cyclic number.

It is not a de Polignac number, because 971393053 - 2¹⁷ = 971261981 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971392997 and 971393015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971393453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808776 + ... + 4808977.

It is an arithmetic number, because the mean of its divisors is an integer number (245252727).

Almost surely, 2^971393053 is an apocalyptic number.

It is an amenable number.

971393053 is a deficient number, since it is larger than the sum of its proper divisors (9617855).

971393053 is a wasteful number, since it uses less digits than its factorization.

971393053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617854.

The product of its (nonzero) digits is 76545, while the sum is 40.

The square root of 971393053 is about 31167.1790991742. The cubic root of 971393053 is about 990.3719491414.

The spelling of 971393053 in words is "nine hundred seventy-one million, three hundred ninety-three thousand, fifty-three".