245225253113 has 4 divisors (see below), whose sum is σ = 259650268020. Its totient is φ = 230800238208.

The previous prime is 245225253071. The next prime is 245225253151. The reversal of 245225253113 is 311352522542.

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 137727827689 + 107497425424 = 371117^2 + 327868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245225253113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245225253173) 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, 7212507428 + ... + 7212507461.

It is an arithmetic number, because the mean of its divisors is an integer number (64912567005).

Almost surely, 2^245225253113 is an apocalyptic number.

It is an amenable number.

245225253113 is a deficient number, since it is larger than the sum of its proper divisors (14425014907).

245225253113 is a wasteful number, since it uses less digits than its factorization.

245225253113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14425014906.

The product of its digits is 72000, while the sum is 35.

Adding to 245225253113 its reverse (311352522542), we get a palindrome (556577775655).

The spelling of 245225253113 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred fifty-three thousand, one hundred thirteen".