51305134 has 8 divisors (see below), whose sum is σ = 80303760. Its totient is φ = 24537216.

The previous prime is 51305129. The next prime is 51305141. The reversal of 51305134 is 43150315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557619 + ... + 557710.

It is an arithmetic number, because the mean of its divisors is an integer number (10037970).

Almost surely, 2^51305134 is an apocalyptic number.

51305134 is a deficient number, since it is larger than the sum of its proper divisors (28998626).

51305134 is a wasteful number, since it uses less digits than its factorization.

51305134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115354.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51305134 is about 7162.7602221490. The cubic root of 51305134 is about 371.5810937563.

Adding to 51305134 its reverse (43150315), we get a palindrome (94455449).

The spelling of 51305134 in words is "fifty-one million, three hundred five thousand, one hundred thirty-four".