51325300 has 54 divisors (see below), whose sum is σ = 120642018. Its totient is φ = 18944640.

The previous prime is 51325297. The next prime is 51325301. The reversal of 51325300 is 352315.

51325300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 23001616 + 28323684 = 4796^2 + 5322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51325301) 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 17 ways as a sum of consecutive naturals, for example, 15382 + ... + 18418.

Almost surely, 2^51325300 is an apocalyptic number.

51325300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51325300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60321009).

51325300 is an abundant number, since it is smaller than the sum of its proper divisors (69316718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51325300 is a wasteful number, since it uses less digits than its factorization.

51325300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 51325300 is about 7164.1677813965. The cubic root of 51325300 is about 371.6297719437.

Adding to 51325300 its reverse (352315), we get a palindrome (51677615).

The spelling of 51325300 in words is "fifty-one million, three hundred twenty-five thousand, three hundred".