51004325 has 6 divisors (see below), whose sum is σ = 63245394. Its totient is φ = 40803440.

The previous prime is 51004319. The next prime is 51004333. The reversal of 51004325 is 52340015.

It can be written as a sum of positive squares in 3 ways, for example, as 16265089 + 34739236 = 4033^2 + 5894^2 .

It is not a de Polignac number, because 51004325 - 2⁴ = 51004309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51004297 and 51004306.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1020062 + ... + 1020111.

It is an arithmetic number, because the mean of its divisors is an integer number (10540899).

Almost surely, 2^51004325 is an apocalyptic number.

It is an amenable number.

51004325 is a deficient number, since it is larger than the sum of its proper divisors (12241069).

51004325 is a wasteful number, since it uses less digits than its factorization.

51004325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040183 (or 2040178 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51004325 is about 7141.7312326914. The cubic root of 51004325 is about 370.8534596099.

The spelling of 51004325 in words is "fifty-one million, four thousand, three hundred twenty-five".