194525141 has 2 divisors, whose sum is σ = 194525142. Its totient is φ = 194525140.

The previous prime is 194525137. The next prime is 194525147. The reversal of 194525141 is 141525491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194490916 + 34225 = 13946^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 194525141 - 2² = 194525137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 194525098 and 194525107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194525147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97262570 + 97262571.

It is an arithmetic number, because the mean of its divisors is an integer number (97262571).

Almost surely, 2^194525141 is an apocalyptic number.

It is an amenable number.

194525141 is a deficient number, since it is larger than the sum of its proper divisors (1).

194525141 is an equidigital number, since it uses as much as digits as its factorization.

194525141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 194525141 is about 13947.2270003754. The cubic root of 194525141 is about 579.4179068855.

The spelling of 194525141 in words is "one hundred ninety-four million, five hundred twenty-five thousand, one hundred forty-one".