245225120201 has 4 divisors (see below), whose sum is σ = 245262686100. Its totient is φ = 245187554304.

The previous prime is 245225120167. The next prime is 245225120221. The reversal of 245225120201 is 102021522542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5791057801 + 239434062400 = 76099^2 + 489320^2 .

It is a cyclic number.

It is not a de Polignac number, because 245225120201 - 2³⁴ = 228045251017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245225120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18773156 + ... + 18786213.

It is an arithmetic number, because the mean of its divisors is an integer number (61315671525).

Almost surely, 2^245225120201 is an apocalyptic number.

It is an amenable number.

245225120201 is a deficient number, since it is larger than the sum of its proper divisors (37565899).

245225120201 is an equidigital number, since it uses as much as digits as its factorization.

245225120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37565898.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 245225120201 its reverse (102021522542), we get a palindrome (347246642743).

The spelling of 245225120201 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty thousand, two hundred one".