51063243 has 48 divisors (see below), whose sum is σ = 90222336. Its totient is φ = 25354560.

The previous prime is 51063239. The next prime is 51063247. The reversal of 51063243 is 34236015.

It is a happy number.

51063243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51063239) and next prime (51063247).

It is not a de Polignac number, because 51063243 - 2² = 51063239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51063247) 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 47 ways as a sum of consecutive naturals, for example, 36505 + ... + 37877.

It is an arithmetic number, because the mean of its divisors is an integer number (1879632).

Almost surely, 2^51063243 is an apocalyptic number.

51063243 is a deficient number, since it is larger than the sum of its proper divisors (39159093).

51063243 is a wasteful number, since it uses less digits than its factorization.

51063243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 51063243 is about 7145.8549523482. The cubic root of 51063243 is about 370.9962026430.

Adding to 51063243 its reverse (34236015), we get a palindrome (85299258).

The spelling of 51063243 in words is "fifty-one million, sixty-three thousand, two hundred forty-three".