51303412 has 6 divisors (see below), whose sum is σ = 89780978. Its totient is φ = 25651704.

The previous prime is 51303383. The next prime is 51303457. The reversal of 51303412 is 21430315.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 4024036 = 6876^2 + 2006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51303412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6412923 + ... + 6412930.

Almost surely, 2^51303412 is an apocalyptic number.

It is an amenable number.

51303412 is a deficient number, since it is larger than the sum of its proper divisors (38477566).

51303412 is a wasteful number, since it uses less digits than its factorization.

51303412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825857 (or 12825855 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51303412 is about 7162.6400160835. The cubic root of 51303412 is about 371.5769364738.

Adding to 51303412 its reverse (21430315), we get a palindrome (72733727).

It can be divided in two parts, 51303 and 412, that added together give a palindrome (51715).

The spelling of 51303412 in words is "fifty-one million, three hundred three thousand, four hundred twelve".