195526453 has 2 divisors, whose sum is σ = 195526454. Its totient is φ = 195526452.

The previous prime is 195526451. The next prime is 195526459. The reversal of 195526453 is 354625591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113678244 + 81848209 = 10662^2 + 9047^2 .

It is a cyclic number.

It is not a de Polignac number, because 195526453 - 2¹ = 195526451 is a prime.

It is a super-2 number, since 2×195526453² = 76461187645522418, which contains 22 as substring.

Together with 195526451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195526451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97763226 + 97763227.

It is an arithmetic number, because the mean of its divisors is an integer number (97763227).

Almost surely, 2^195526453 is an apocalyptic number.

It is an amenable number.

195526453 is a deficient number, since it is larger than the sum of its proper divisors (1).

195526453 is an equidigital number, since it uses as much as digits as its factorization.

195526453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 195526453 is about 13983.0773794612. The cubic root of 195526453 is about 580.4103843522.

The spelling of 195526453 in words is "one hundred ninety-five million, five hundred twenty-six thousand, four hundred fifty-three".