51014247 has 8 divisors (see below), whose sum is σ = 68361600. Its totient is φ = 33838200.

The previous prime is 51014237. The next prime is 51014261. The reversal of 51014247 is 74241015.

51014247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-51014247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51014237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42129 + ... + 43322.

It is an arithmetic number, because the mean of its divisors is an integer number (8545200).

Almost surely, 2^51014247 is an apocalyptic number.

51014247 is a deficient number, since it is larger than the sum of its proper divisors (17347353).

51014247 is a wasteful number, since it uses less digits than its factorization.

51014247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85653.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 51014247 is about 7142.4258484075. The cubic root of 51014247 is about 370.8775057370.

The spelling of 51014247 in words is "fifty-one million, fourteen thousand, two hundred forty-seven".