51001282 has 8 divisors (see below), whose sum is σ = 80528400. Its totient is φ = 24158484.

The previous prime is 51001273. The next prime is 51001283. The reversal of 51001282 is 28210015.

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

It is a super-2 number, since 2×51001282² = 5202261531287048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (51001283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671032 + ... + 671107.

It is an arithmetic number, because the mean of its divisors is an integer number (10066050).

Almost surely, 2^51001282 is an apocalyptic number.

51001282 is a deficient number, since it is larger than the sum of its proper divisors (29527118).

51001282 is a wasteful number, since it uses less digits than its factorization.

51001282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342160.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 51001282 is about 7141.5181859322. The cubic root of 51001282 is about 370.8460842254.

Adding to 51001282 its reverse (28210015), we get a palindrome (79211297).

The spelling of 51001282 in words is "fifty-one million, one thousand, two hundred eighty-two".