245969071 has 2 divisors, whose sum is σ = 245969072. Its totient is φ = 245969070.

The previous prime is 245969057. The next prime is 245969149. The reversal of 245969071 is 170969542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245969071 - 2¹¹ = 245967023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245961071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122984535 + 122984536.

It is an arithmetic number, because the mean of its divisors is an integer number (122984536).

Almost surely, 2^245969071 is an apocalyptic number.

245969071 is a deficient number, since it is larger than the sum of its proper divisors (1).

245969071 is an equidigital number, since it uses as much as digits as its factorization.

245969071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 245969071 is about 15683.4011298570. The cubic root of 245969071 is about 626.5563949186.

The spelling of 245969071 in words is "two hundred forty-five million, nine hundred sixty-nine thousand, seventy-one".