897052113 has 12 divisors (see below), whose sum is σ = 1296389380. Its totient is φ = 597735936.

The previous prime is 897052061. The next prime is 897052129. The reversal of 897052113 is 311250798.

It can be written as a sum of positive squares in 2 ways, for example, as 433597329 + 463454784 = 20823^2 + 21528^2 .

It is not a de Polignac number, because 897052113 - 2⁹ = 897051601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897052183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5056 + ... + 42657.

Almost surely, 2^897052113 is an apocalyptic number.

It is an amenable number.

897052113 is a deficient number, since it is larger than the sum of its proper divisors (399337267).

897052113 is a wasteful number, since it uses less digits than its factorization.

897052113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49808 (or 49805 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 897052113 is about 29950.8282523205. The cubic root of 897052113 is about 964.4341006310.

The spelling of 897052113 in words is "eight hundred ninety-seven million, fifty-two thousand, one hundred thirteen".