245107 has 2 divisors, whose sum is σ = 245108. Its totient is φ = 245106.

The previous prime is 245087. The next prime is 245129. The reversal of 245107 is 701542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245177) 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, 122553 + 122554.

It is an arithmetic number, because the mean of its divisors is an integer number (122554).

2²⁴⁵¹⁰⁷ is an apocalyptic number.

245107 is a deficient number, since it is larger than the sum of its proper divisors (1).

245107 is an equidigital number, since it uses as much as digits as its factorization.

245107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 245107 is about 495.0828213542. The cubic root of 245107 is about 62.5823554337.

Adding to 245107 its reverse (701542), we get a palindrome (946649).

The spelling of 245107 in words is "two hundred forty-five thousand, one hundred seven".