245404603 has 2 divisors, whose sum is σ = 245404604. Its totient is φ = 245404602.

The previous prime is 245404597. The next prime is 245404669. The reversal of 245404603 is 306404542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245404603 is a prime.

It is not a weakly prime, because it can be changed into another prime (245404693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122702301 + 122702302.

It is an arithmetic number, because the mean of its divisors is an integer number (122702302).

Almost surely, 2^245404603 is an apocalyptic number.

245404603 is a deficient number, since it is larger than the sum of its proper divisors (1).

245404603 is an equidigital number, since it uses as much as digits as its factorization.

245404603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 245404603 is about 15665.3950796014. The cubic root of 245404603 is about 626.0767385094.

The spelling of 245404603 in words is "two hundred forty-five million, four hundred four thousand, six hundred three".