245113441 has 4 divisors (see below), whose sum is σ = 245144772. Its totient is φ = 245082112.

The previous prime is 245113439. The next prime is 245113469. The reversal of 245113441 is 144311542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 207475216 + 37638225 = 14404^2 + 6135^2 .

It is a cyclic number.

It is not a de Polignac number, because 245113441 - 2¹ = 245113439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245113411) 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, 7041 + ... + 23233.

It is an arithmetic number, because the mean of its divisors is an integer number (61286193).

Almost surely, 2^245113441 is an apocalyptic number.

It is an amenable number.

245113441 is a deficient number, since it is larger than the sum of its proper divisors (31331).

245113441 is a wasteful number, since it uses less digits than its factorization.

245113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330.

The product of its digits is 1920, while the sum is 25.

The square root of 245113441 is about 15656.0991629460. The cubic root of 245113441 is about 625.8290361523.

Adding to 245113441 its reverse (144311542), we get a palindrome (389424983).

The spelling of 245113441 in words is "two hundred forty-five million, one hundred thirteen thousand, four hundred forty-one".