244521013 has 16 divisors (see below), whose sum is σ = 297311040. Its totient is φ = 198201600.

The previous prime is 244520999. The next prime is 244521023. The reversal of 244521013 is 310125442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244521013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244521023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30858 + ... + 37963.

It is an arithmetic number, because the mean of its divisors is an integer number (18581940).

Almost surely, 2^244521013 is an apocalyptic number.

It is an amenable number.

244521013 is a deficient number, since it is larger than the sum of its proper divisors (52790027).

244521013 is a wasteful number, since it uses less digits than its factorization.

244521013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68868.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 244521013 is about 15637.1676783233. The cubic root of 244521013 is about 625.3244293238.

Adding to 244521013 its reverse (310125442), we get a palindrome (554646455).

The spelling of 244521013 in words is "two hundred forty-four million, five hundred twenty-one thousand, thirteen".