52131306 has 8 divisors (see below), whose sum is σ = 104262624. Its totient is φ = 17377100.

The previous prime is 52131283. The next prime is 52131311. The reversal of 52131306 is 60313125.

It is a sphenic number, since it is the product of 3 distinct primes.

52131306 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344270 + ... + 4344281.

It is an arithmetic number, because the mean of its divisors is an integer number (13032828).

Almost surely, 2^52131306 is an apocalyptic number.

52131306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52131306 is a wasteful number, since it uses less digits than its factorization.

52131306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688556.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 52131306 is about 7220.2012437328. The cubic root of 52131306 is about 373.5650189939.

The spelling of 52131306 in words is "fifty-two million, one hundred thirty-one thousand, three hundred six".