51280703 has 8 divisors (see below), whose sum is σ = 51720240. Its totient is φ = 50843520.

The previous prime is 51280693. The next prime is 51280711. The reversal of 51280703 is 30708215.

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

It is a cyclic number.

It is not a de Polignac number, because 51280703 - 2⁸ = 51280447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51280763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93476 + ... + 94022.

It is an arithmetic number, because the mean of its divisors is an integer number (6465030).

Almost surely, 2^51280703 is an apocalyptic number.

51280703 is a deficient number, since it is larger than the sum of its proper divisors (439537).

51280703 is a wasteful number, since it uses less digits than its factorization.

51280703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 51280703 is about 7161.0546011045. The cubic root of 51280703 is about 371.5221033048.

Adding to 51280703 its reverse (30708215), we get a palindrome (81988918).

The spelling of 51280703 in words is "fifty-one million, two hundred eighty thousand, seven hundred three".