245707193 has 2 divisors, whose sum is σ = 245707194. Its totient is φ = 245707192.

The previous prime is 245707151. The next prime is 245707213. The reversal of 245707193 is 391707542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226592809 + 19114384 = 15053^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 245707193 - 2⁶ = 245707129 is a prime.

It is not a weakly prime, because it can be changed into another prime (245706193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122853596 + 122853597.

It is an arithmetic number, because the mean of its divisors is an integer number (122853597).

Almost surely, 2^245707193 is an apocalyptic number.

It is an amenable number.

245707193 is a deficient number, since it is larger than the sum of its proper divisors (1).

245707193 is an equidigital number, since it uses as much as digits as its factorization.

245707193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 245707193 is about 15675.0500158692. The cubic root of 245707193 is about 626.3339555679. Note that the first 3 decimals are identical.

The spelling of 245707193 in words is "two hundred forty-five million, seven hundred seven thousand, one hundred ninety-three".