109570897 has 2 divisors, whose sum is σ = 109570898. Its totient is φ = 109570896.

The previous prime is 109570861. The next prime is 109570913. The reversal of 109570897 is 798075901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 2262016 = 10359^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 109570897 - 2¹⁵ = 109538129 is a prime.

It is not a weakly prime, because it can be changed into another prime (109570807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54785448 + 54785449.

It is an arithmetic number, because the mean of its divisors is an integer number (54785449).

Almost surely, 2^109570897 is an apocalyptic number.

It is an amenable number.

109570897 is a deficient number, since it is larger than the sum of its proper divisors (1).

109570897 is an equidigital number, since it uses as much as digits as its factorization.

109570897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 109570897 is about 10467.6118097683. The cubic root of 109570897 is about 478.5181396753.

The spelling of 109570897 in words is "one hundred nine million, five hundred seventy thousand, eight hundred ninety-seven".