245125717 has 2 divisors, whose sum is σ = 245125718. Its totient is φ = 245125716.

The previous prime is 245125709. The next prime is 245125729. The reversal of 245125717 is 717521542.

245125717 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., 138086001 + 107039716 = 11751^2 + 10346^2 .

It is a cyclic number.

It is not a de Polignac number, because 245125717 - 2³ = 245125709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245125787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122562858 + 122562859.

It is an arithmetic number, because the mean of its divisors is an integer number (122562859).

Almost surely, 2^245125717 is an apocalyptic number.

It is an amenable number.

245125717 is a deficient number, since it is larger than the sum of its proper divisors (1).

245125717 is an equidigital number, since it uses as much as digits as its factorization.

245125717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19600, while the sum is 34.

The square root of 245125717 is about 15656.4912097187. The cubic root of 245125717 is about 625.8394837624.

The spelling of 245125717 in words is "two hundred forty-five million, one hundred twenty-five thousand, seven hundred seventeen".