253345193 has 2 divisors, whose sum is σ = 253345194. Its totient is φ = 253345192.

The previous prime is 253345159. The next prime is 253345201. The reversal of 253345193 is 391543352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167003929 + 86341264 = 12923^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 253345193 - 2⁸ = 253344937 is a prime.

It is not a weakly prime, because it can be changed into another prime (253345493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126672596 + 126672597.

It is an arithmetic number, because the mean of its divisors is an integer number (126672597).

Almost surely, 2^253345193 is an apocalyptic number.

It is an amenable number.

253345193 is a deficient number, since it is larger than the sum of its proper divisors (1).

253345193 is an equidigital number, since it uses as much as digits as its factorization.

253345193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 35.

The square root of 253345193 is about 15916.8210708043. The cubic root of 253345193 is about 632.7578709694.

The spelling of 253345193 in words is "two hundred fifty-three million, three hundred forty-five thousand, one hundred ninety-three".