245225520203 has 2 divisors, whose sum is σ = 245225520204. Its totient is φ = 245225520202.

The previous prime is 245225520187. The next prime is 245225520271. The reversal of 245225520203 is 302025522542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245225520203 - 2⁴ = 245225520187 is a prime.

It is a super-2 number, since 2×245225520203² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245225520203.

It is not a weakly prime, because it can be changed into another prime (245225520103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122612760101 + 122612760102.

It is an arithmetic number, because the mean of its divisors is an integer number (122612760102).

Almost surely, 2^245225520203 is an apocalyptic number.

245225520203 is a deficient number, since it is larger than the sum of its proper divisors (1).

245225520203 is an equidigital number, since it uses as much as digits as its factorization.

245225520203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 245225520203 in words is "two hundred forty-five billion, two hundred twenty-five million, five hundred twenty thousand, two hundred three".