52131147 has 8 divisors (see below), whose sum is σ = 69754944. Its totient is φ = 34630728.

The previous prime is 52131143. The next prime is 52131169. The reversal of 52131147 is 74113125.

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

It is not a de Polignac number, because 52131147 - 2² = 52131143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52131143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29853 + ... + 31550.

It is an arithmetic number, because the mean of its divisors is an integer number (8719368).

Almost surely, 2^52131147 is an apocalyptic number.

52131147 is a deficient number, since it is larger than the sum of its proper divisors (17623797).

52131147 is a wasteful number, since it uses less digits than its factorization.

52131147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61689.

The product of its digits is 840, while the sum is 24.

The square root of 52131147 is about 7220.1902329509. The cubic root of 52131147 is about 373.5646392036.

The spelling of 52131147 in words is "fifty-two million, one hundred thirty-one thousand, one hundred forty-seven".