51012017 has 8 divisors (see below), whose sum is σ = 61368000. Its totient is φ = 41423184.

The previous prime is 51012007. The next prime is 51012029. The reversal of 51012017 is 71021015.

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 51012017 - 2⁴ = 51012001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51011986 and 51012004.

It is not an unprimeable number, because it can be changed into a prime (51012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191642 + ... + 191907.

It is an arithmetic number, because the mean of its divisors is an integer number (7671000).

Almost surely, 2^51012017 is an apocalyptic number.

It is an amenable number.

51012017 is a deficient number, since it is larger than the sum of its proper divisors (10355983).

51012017 is a wasteful number, since it uses less digits than its factorization.

51012017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383575.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 51012017 is about 7142.2697372754. The cubic root of 51012017 is about 370.8721015677.

The spelling of 51012017 in words is "fifty-one million, twelve thousand, seventeen".