195209041 has 2 divisors, whose sum is σ = 195209042. Its totient is φ = 195209040.

The previous prime is 195209009. The next prime is 195209057. The reversal of 195209041 is 140902591.

195209041 = 9879² + 9880².

195209041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 97594641 = 9880^2 + 9879^2 .

It is a cyclic number.

It is not a de Polignac number, because 195209041 - 2⁵ = 195209009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195208994 and 195209012.

It is not a weakly prime, because it can be changed into another prime (195209141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97604520 + 97604521.

It is an arithmetic number, because the mean of its divisors is an integer number (97604521).

Almost surely, 2^195209041 is an apocalyptic number.

195209041 is the 9880-th centered square number.

It is an amenable number.

195209041 is a deficient number, since it is larger than the sum of its proper divisors (1).

195209041 is an equidigital number, since it uses as much as digits as its factorization.

195209041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 195209041 is about 13971.7229073583. The cubic root of 195209041 is about 580.0961404244.

It can be divided in two parts, 19520 and 9041, that added together give a 4-th power (28561 = 13⁴).

The spelling of 195209041 in words is "one hundred ninety-five million, two hundred nine thousand, forty-one".