245345311 has 4 divisors (see below), whose sum is σ = 250565472. Its totient is φ = 240125152.

The previous prime is 245345299. The next prime is 245345327. The reversal of 245345311 is 113543542.

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

It is a cyclic number.

It is not a de Polignac number, because 245345311 - 2¹³ = 245337119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245345311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245345341) 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, 2610010 + ... + 2610103.

It is an arithmetic number, because the mean of its divisors is an integer number (62641368).

Almost surely, 2^245345311 is an apocalyptic number.

245345311 is a deficient number, since it is larger than the sum of its proper divisors (5220161).

245345311 is an equidigital number, since it uses as much as digits as its factorization.

245345311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220160.

The product of its digits is 7200, while the sum is 28.

The square root of 245345311 is about 15663.5025138058. The cubic root of 245345311 is about 626.0263124898.

Adding to 245345311 its reverse (113543542), we get a palindrome (358888853).

The spelling of 245345311 in words is "two hundred forty-five million, three hundred forty-five thousand, three hundred eleven".