194970953 has 2 divisors, whose sum is σ = 194970954. Its totient is φ = 194970952.

The previous prime is 194970929. The next prime is 194971009. The reversal of 194970953 is 359079491.

194970953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135187129 + 59783824 = 11627^2 + 7732^2 .

It is a cyclic number.

It is not a de Polignac number, because 194970953 - 2⁶ = 194970889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194970898 and 194970907.

It is not a weakly prime, because it can be changed into another prime (194975953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97485476 + 97485477.

It is an arithmetic number, because the mean of its divisors is an integer number (97485477).

Almost surely, 2^194970953 is an apocalyptic number.

It is an amenable number.

194970953 is a deficient number, since it is larger than the sum of its proper divisors (1).

194970953 is an equidigital number, since it uses as much as digits as its factorization.

194970953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 194970953 is about 13963.1999555976. The cubic root of 194970953 is about 579.8602051116.

The spelling of 194970953 in words is "one hundred ninety-four million, nine hundred seventy thousand, nine hundred fifty-three".