51325347 has 4 divisors (see below), whose sum is σ = 68433800. Its totient is φ = 34216896.

The previous prime is 51325343. The next prime is 51325349. The reversal of 51325347 is 74352315.

51325347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51325347 - 2² = 51325343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51325343) 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 3 ways as a sum of consecutive naturals, for example, 8554222 + ... + 8554227.

It is an arithmetic number, because the mean of its divisors is an integer number (17108450).

Almost surely, 2^51325347 is an apocalyptic number.

51325347 is a deficient number, since it is larger than the sum of its proper divisors (17108453).

51325347 is a wasteful number, since it uses less digits than its factorization.

51325347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108452.

The product of its digits is 12600, while the sum is 30.

The square root of 51325347 is about 7164.1710616093. The cubic root of 51325347 is about 371.6298853808.

The spelling of 51325347 in words is "fifty-one million, three hundred twenty-five thousand, three hundred forty-seven".