245465447 has 2 divisors, whose sum is σ = 245465448. Its totient is φ = 245465446.

The previous prime is 245465417. The next prime is 245465491. The reversal of 245465447 is 744564542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245465447 - 2⁸ = 245465191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245465417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122732723 + 122732724.

It is an arithmetic number, because the mean of its divisors is an integer number (122732724).

Almost surely, 2^245465447 is an apocalyptic number.

245465447 is a deficient number, since it is larger than the sum of its proper divisors (1).

245465447 is an equidigital number, since it uses as much as digits as its factorization.

245465447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 41.

The square root of 245465447 is about 15667.3369466543. The cubic root of 245465447 is about 626.1284760141.

The spelling of 245465447 in words is "two hundred forty-five million, four hundred sixty-five thousand, four hundred forty-seven".