51352005 has 8 divisors (see below), whose sum is σ = 82163232. Its totient is φ = 27387728.

The previous prime is 51351997. The next prime is 51352013. The reversal of 51352005 is 50025315.

51352005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51351997) and next prime (51352013).

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 51352005 - 2³ = 51351997 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1711719 + ... + 1711748.

It is an arithmetic number, because the mean of its divisors is an integer number (10270404).

Almost surely, 2^51352005 is an apocalyptic number.

It is an amenable number.

51352005 is a deficient number, since it is larger than the sum of its proper divisors (30811227).

51352005 is a wasteful number, since it uses less digits than its factorization.

51352005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423475.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 51352005 is about 7166.0313284272. The cubic root of 51352005 is about 371.6942148358.

It can be divided in two parts, 5135 and 2005, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 51352005 in words is "fifty-one million, three hundred fifty-two thousand, five".