971900053 has 4 divisors (see below), whose sum is σ = 998167660. Its totient is φ = 945632448.

The previous prime is 971900021. The next prime is 971900063. The reversal of 971900053 is 350009179.

971900053 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 344547844 + 627352209 = 18562^2 + 25047^2 .

It is a cyclic number.

It is not a de Polignac number, because 971900053 - 2⁵ = 971900021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971899991 and 971900018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971900063) 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, 13133748 + ... + 13133821.

It is an arithmetic number, because the mean of its divisors is an integer number (249541915).

Almost surely, 2^971900053 is an apocalyptic number.

It is an amenable number.

971900053 is a deficient number, since it is larger than the sum of its proper divisors (26267607).

971900053 is a wasteful number, since it uses less digits than its factorization.

971900053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26267606.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 971900053 is about 31175.3115942728. The cubic root of 971900053 is about 990.5442210640.

The spelling of 971900053 in words is "nine hundred seventy-one million, nine hundred thousand, fifty-three".