52131300 has 72 divisors (see below), whose sum is σ = 162447936. Its totient is φ = 12831360.

The previous prime is 52131283. The next prime is 52131311. The reversal of 52131300 is 313125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52131300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2784 + ... + 10583.

Almost surely, 2^52131300 is an apocalyptic number.

52131300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52131300 is an abundant number, since it is smaller than the sum of its proper divisors (110316636).

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

52131300 is a wasteful number, since it uses less digits than its factorization.

52131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397 (or 13390 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 52131300 is about 7220.2008282319. The cubic root of 52131300 is about 373.5650046623.

Adding to 52131300 its reverse (313125), we get a palindrome (52444425).

The spelling of 52131300 in words is "fifty-two million, one hundred thirty-one thousand, three hundred".