245660003 has 2 divisors, whose sum is σ = 245660004. Its totient is φ = 245660002.

The previous prime is 245659991. The next prime is 245660017. The reversal of 245660003 is 300066542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245660003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245620003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122830001 + 122830002.

It is an arithmetic number, because the mean of its divisors is an integer number (122830002).

Almost surely, 2^245660003 is an apocalyptic number.

245660003 is a deficient number, since it is larger than the sum of its proper divisors (1).

245660003 is an equidigital number, since it uses as much as digits as its factorization.

245660003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 245660003 is about 15673.5446852331. The cubic root of 245660003 is about 626.2938555455.

The spelling of 245660003 in words is "two hundred forty-five million, six hundred sixty thousand, three".