52143261 has 8 divisors (see below), whose sum is σ = 69585504. Its totient is φ = 34731600.

The previous prime is 52143251. The next prime is 52143313. The reversal of 52143261 is 16234125.

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

It is not a de Polignac number, because 52143261 - 2⁹ = 52142749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52143241) 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, 3315 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (8698188).

Almost surely, 2^52143261 is an apocalyptic number.

It is an amenable number.

52143261 is a deficient number, since it is larger than the sum of its proper divisors (17442243).

52143261 is a wasteful number, since it uses less digits than its factorization.

52143261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15291.

The product of its digits is 1440, while the sum is 24.

The square root of 52143261 is about 7221.0290817861. The cubic root of 52143261 is about 373.5935727160.

Adding to 52143261 its reverse (16234125), we get a palindrome (68377386).

The spelling of 52143261 in words is "fifty-two million, one hundred forty-three thousand, two hundred sixty-one".