51280702 has 8 divisors (see below), whose sum is σ = 83913912. Its totient is φ = 23309400.

The previous prime is 51280693. The next prime is 51280711. The reversal of 51280702 is 20708215.

It is an interprime number because it is at equal distance from previous prime (51280693) and next prime (51280711).

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

It is a super-2 number, since 2×51280702² = 5259420795225608, which contains 22 as substring.

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, 1165449 + ... + 1165492.

It is an arithmetic number, because the mean of its divisors is an integer number (10489239).

Almost surely, 2^51280702 is an apocalyptic number.

51280702 is a deficient number, since it is larger than the sum of its proper divisors (32633210).

51280702 is a wasteful number, since it uses less digits than its factorization.

51280702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330954.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 51280702 is about 7161.0545312824. The cubic root of 51280702 is about 371.5221008899.

Adding to 51280702 its reverse (20708215), we get a palindrome (71988917).

The spelling of 51280702 in words is "fifty-one million, two hundred eighty thousand, seven hundred two".