195102473 has 2 divisors, whose sum is σ = 195102474. Its totient is φ = 195102472.

The previous prime is 195102451. The next prime is 195102503. The reversal of 195102473 is 374201591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127418944 + 67683529 = 11288^2 + 8227^2 .

It is a cyclic number.

It is not a de Polignac number, because 195102473 - 2¹⁸ = 194840329 is a prime.

It is not a weakly prime, because it can be changed into another prime (195102403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97551236 + 97551237.

It is an arithmetic number, because the mean of its divisors is an integer number (97551237).

Almost surely, 2^195102473 is an apocalyptic number.

It is an amenable number.

195102473 is a deficient number, since it is larger than the sum of its proper divisors (1).

195102473 is an equidigital number, since it uses as much as digits as its factorization.

195102473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 195102473 is about 13967.9086838367. The cubic root of 195102473 is about 579.9905596957.

The spelling of 195102473 in words is "one hundred ninety-five million, one hundred two thousand, four hundred seventy-three".