195142253 has 2 divisors, whose sum is σ = 195142254. Its totient is φ = 195142252.

The previous prime is 195142249. The next prime is 195142267. The reversal of 195142253 is 352241591.

195142253 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., 118439689 + 76702564 = 10883^2 + 8758^2 .

It is a cyclic number.

It is not a de Polignac number, because 195142253 - 2² = 195142249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195142243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97571126 + 97571127.

It is an arithmetic number, because the mean of its divisors is an integer number (97571127).

Almost surely, 2^195142253 is an apocalyptic number.

It is an amenable number.

195142253 is a deficient number, since it is larger than the sum of its proper divisors (1).

195142253 is an equidigital number, since it uses as much as digits as its factorization.

195142253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 195142253 is about 13969.3325896408. The cubic root of 195142253 is about 580.0299756604.

The spelling of 195142253 in words is "one hundred ninety-five million, one hundred forty-two thousand, two hundred fifty-three".