52142431 has 8 divisors (see below), whose sum is σ = 57029328. Its totient is φ = 47280000.

The previous prime is 52142413. The next prime is 52142459. The reversal of 52142431 is 13424125.

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

It is a cyclic number.

It is not a de Polignac number, because 52142431 - 2⁹ = 52141919 is a prime.

It is a super-2 number, since 2×52142431² = 5437666221179522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52148431) 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, 1500 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (7128666).

Almost surely, 2^52142431 is an apocalyptic number.

52142431 is a deficient number, since it is larger than the sum of its proper divisors (4886897).

52142431 is a wasteful number, since it uses less digits than its factorization.

52142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233.

The product of its digits is 960, while the sum is 22.

The square root of 52142431 is about 7220.9716105244. The cubic root of 52142431 is about 373.5915904572.

Adding to 52142431 its reverse (13424125), we get a palindrome (65566556).

The spelling of 52142431 in words is "fifty-two million, one hundred forty-two thousand, four hundred thirty-one".