245563103 has 2 divisors, whose sum is σ = 245563104. Its totient is φ = 245563102.

The previous prime is 245563093. The next prime is 245563139. The reversal of 245563103 is 301365542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245563103 - 2⁸ = 245562847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245563303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122781551 + 122781552.

It is an arithmetic number, because the mean of its divisors is an integer number (122781552).

Almost surely, 2^245563103 is an apocalyptic number.

245563103 is a deficient number, since it is larger than the sum of its proper divisors (1).

245563103 is an equidigital number, since it uses as much as digits as its factorization.

245563103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 245563103 is about 15670.4531842573. The cubic root of 245563103 is about 626.2114980121.

The spelling of 245563103 in words is "two hundred forty-five million, five hundred sixty-three thousand, one hundred three".