51325100 has 36 divisors (see below), whose sum is σ = 111779304. Its totient is φ = 20455680.

The previous prime is 51325093. The next prime is 51325111. The reversal of 51325100 is 152315.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32939 + ... + 34461.

Almost surely, 2^51325100 is an apocalyptic number.

51325100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51325100 is an abundant number, since it is smaller than the sum of its proper divisors (60454204).

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

51325100 is a wasteful number, since it uses less digits than its factorization.

51325100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51325100 is about 7164.1538230275. The cubic root of 51325100 is about 371.6292892314.

Adding to 51325100 its reverse (152315), we get a palindrome (51477415).

The spelling of 51325100 in words is "fifty-one million, three hundred twenty-five thousand, one hundred".