245965171 has 2 divisors, whose sum is σ = 245965172. Its totient is φ = 245965170.

The previous prime is 245965123. The next prime is 245965189. The reversal of 245965171 is 171569542.

245965171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245965171 - 2⁷ = 245965043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245965121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122982585 + 122982586.

It is an arithmetic number, because the mean of its divisors is an integer number (122982586).

Almost surely, 2^245965171 is an apocalyptic number.

245965171 is a deficient number, since it is larger than the sum of its proper divisors (1).

245965171 is an equidigital number, since it uses as much as digits as its factorization.

245965171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 245965171 is about 15683.2767940887. The cubic root of 245965171 is about 626.5530834143.

The spelling of 245965171 in words is "two hundred forty-five million, nine hundred sixty-five thousand, one hundred seventy-one".