245344013 has 16 divisors (see below), whose sum is σ = 268649472. Its totient is φ = 223344000.

The previous prime is 245344009. The next prime is 245344027. The reversal of 245344013 is 310443542.

It is a cyclic number.

It is not a de Polignac number, because 245344013 - 2² = 245344009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245344063) 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 15 ways as a sum of consecutive naturals, for example, 40673 + ... + 46313.

It is an arithmetic number, because the mean of its divisors is an integer number (16790592).

Almost surely, 2^245344013 is an apocalyptic number.

245344013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

245344013 is a deficient number, since it is larger than the sum of its proper divisors (23305459).

245344013 is a wasteful number, since it uses less digits than its factorization.

245344013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 245344013 is about 15663.4610798508. The cubic root of 245344013 is about 626.0252084899.

Adding to 245344013 its reverse (310443542), we get a palindrome (555787555).

The spelling of 245344013 in words is "two hundred forty-five million, three hundred forty-four thousand, thirteen".