51347005 has 16 divisors (see below), whose sum is σ = 63857664. Its totient is φ = 39594240.

The previous prime is 51347003. The next prime is 51347029. The reversal of 51347005 is 50074315.

It is not a de Polignac number, because 51347005 - 2¹ = 51347003 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 (51347003) 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 15 ways as a sum of consecutive naturals, for example, 51744 + ... + 52726.

It is an arithmetic number, because the mean of its divisors is an integer number (3991104).

Almost surely, 2^51347005 is an apocalyptic number.

It is an amenable number.

51347005 is a deficient number, since it is larger than the sum of its proper divisors (12510659).

51347005 is a wasteful number, since it uses less digits than its factorization.

51347005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51347005 is about 7165.6824517976. The cubic root of 51347005 is about 371.6821508382.

The spelling of 51347005 in words is "fifty-one million, three hundred forty-seven thousand, five".