2195000057 has 2 divisors, whose sum is σ = 2195000058. Its totient is φ = 2195000056.

The previous prime is 2195000051. The next prime is 2195000089. The reversal of 2195000057 is 7500005912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013855376 + 181144681 = 44876^2 + 13459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195000057 - 2⁶ = 2194999993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2194999993 and 2195000029.

It is not a weakly prime, because it can be changed into another prime (2195000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097500028 + 1097500029.

It is an arithmetic number, because the mean of its divisors is an integer number (1097500029).

Almost surely, 2^2195000057 is an apocalyptic number.

It is an amenable number.

2195000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195000057 is an equidigital number, since it uses as much as digits as its factorization.

2195000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2195000057 is about 46850.8277088036. The cubic root of 2195000057 is about 1299.6054141695.

Adding to 2195000057 its reverse (7500005912), we get a palindrome (9695005969).

The spelling of 2195000057 in words is "two billion, one hundred ninety-five million, fifty-seven", and thus it is an aban number.