245235244313 has 4 divisors (see below), whose sum is σ = 247405467828. Its totient is φ = 243065020800.

The previous prime is 245235244301. The next prime is 245235244333. The reversal of 245235244313 is 313442532542.

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 37128665344 + 208106578969 = 192688^2 + 456187^2 .

It is a cyclic number.

It is not a de Polignac number, because 245235244313 - 2⁶ = 245235244249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245235244333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085111588 + ... + 1085111813.

It is an arithmetic number, because the mean of its divisors is an integer number (61851366957).

Almost surely, 2^245235244313 is an apocalyptic number.

It is an amenable number.

245235244313 is a deficient number, since it is larger than the sum of its proper divisors (2170223515).

245235244313 is a wasteful number, since it uses less digits than its factorization.

245235244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170223514.

The product of its digits is 345600, while the sum is 38.

Adding to 245235244313 its reverse (313442532542), we get a palindrome (558677776855).

The spelling of 245235244313 in words is "two hundred forty-five billion, two hundred thirty-five million, two hundred forty-four thousand, three hundred thirteen".