244255013 has 4 divisors (see below), whose sum is σ = 257110560. Its totient is φ = 231399468.

The previous prime is 244255001. The next prime is 244255043. The reversal of 244255013 is 310552442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310552442 = 2 ⋅155276221.

It is a cyclic number.

It is not a de Polignac number, because 244255013 - 2⁶ = 244254949 is a prime.

It is a super-2 number, since 2×244255013² = 119321022751260338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244255043) 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 3 ways as a sum of consecutive naturals, for example, 6427745 + ... + 6427782.

It is an arithmetic number, because the mean of its divisors is an integer number (64277640).

Almost surely, 2^244255013 is an apocalyptic number.

It is an amenable number.

244255013 is a deficient number, since it is larger than the sum of its proper divisors (12855547).

244255013 is a wasteful number, since it uses less digits than its factorization.

244255013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855546.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 244255013 is about 15628.6599873438. The cubic root of 244255013 is about 625.0975958526.

The spelling of 244255013 in words is "two hundred forty-four million, two hundred fifty-five thousand, thirteen".