245673203 has 2 divisors, whose sum is σ = 245673204. Its totient is φ = 245673202.

The previous prime is 245673191. The next prime is 245673269. The reversal of 245673203 is 302376542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245673203 - 2¹⁶ = 245607667 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245673203.

It is not a weakly prime, because it can be changed into another prime (245673293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122836601 + 122836602.

It is an arithmetic number, because the mean of its divisors is an integer number (122836602).

Almost surely, 2^245673203 is an apocalyptic number.

245673203 is a deficient number, since it is larger than the sum of its proper divisors (1).

245673203 is an equidigital number, since it uses as much as digits as its factorization.

245673203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 245673203 is about 15673.9657713037. The cubic root of 245673203 is about 626.3050728523.

The spelling of 245673203 in words is "two hundred forty-five million, six hundred seventy-three thousand, two hundred three".