51241244 has 6 divisors (see below), whose sum is σ = 89672184. Its totient is φ = 25620620.

The previous prime is 51241243. The next prime is 51241259. The reversal of 51241244 is 44214215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405152 + ... + 6405159.

It is an arithmetic number, because the mean of its divisors is an integer number (14945364).

Almost surely, 2^51241244 is an apocalyptic number.

It is an amenable number.

51241244 is a deficient number, since it is larger than the sum of its proper divisors (38430940).

51241244 is a wasteful number, since it uses less digits than its factorization.

51241244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810315 (or 12810313 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 51241244 is about 7158.2989599485. The cubic root of 51241244 is about 371.4267870582.

Adding to 51241244 its reverse (44214215), we get a palindrome (95455459).

The spelling of 51241244 in words is "fifty-one million, two hundred forty-one thousand, two hundred forty-four".