195246253 has 2 divisors, whose sum is σ = 195246254. Its totient is φ = 195246252.

The previous prime is 195246251. The next prime is 195246257. The reversal of 195246253 is 352642591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191628649 + 3617604 = 13843^2 + 1902^2 .

It is a cyclic number.

It is not a de Polignac number, because 195246253 - 2¹ = 195246251 is a prime.

Together with 195246251, 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 (195246251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97623126 + 97623127.

It is an arithmetic number, because the mean of its divisors is an integer number (97623127).

Almost surely, 2^195246253 is an apocalyptic number.

It is an amenable number.

195246253 is a deficient number, since it is larger than the sum of its proper divisors (1).

195246253 is an equidigital number, since it uses as much as digits as its factorization.

195246253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 195246253 is about 13973.0545336372. The cubic root of 195246253 is about 580.1329986320.

It can be divided in two parts, 1952 and 46253, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 195246253 in words is "one hundred ninety-five million, two hundred forty-six thousand, two hundred fifty-three".