2185270097 has 8 divisors (see below), whose sum is σ = 2194892232. Its totient is φ = 2175667200.

The previous prime is 2185270069. The next prime is 2185270141. The reversal of 2185270097 is 7900725812.

It can be written as a sum of positive squares in 4 ways, for example, as 22648081 + 2162622016 = 4759^2 + 46504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2185270097 - 2⁶ = 2185270033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185270067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252197 + ... + 260717.

It is an arithmetic number, because the mean of its divisors is an integer number (274361529).

Almost surely, 2^2185270097 is an apocalyptic number.

It is an amenable number.

2185270097 is a deficient number, since it is larger than the sum of its proper divisors (9622135).

2185270097 is an equidigital number, since it uses as much as digits as its factorization.

2185270097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 2185270097 is about 46746.8725905809. The cubic root of 2185270097 is about 1297.6822799464.

The spelling of 2185270097 in words is "two billion, one hundred eighty-five million, two hundred seventy thousand, ninety-seven".