52002431 has 8 divisors (see below), whose sum is σ = 56229264. Its totient is φ = 47808000.

The previous prime is 52002421. The next prime is 52002443. The reversal of 52002431 is 13420025.

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 52002431 - 2⁶ = 52002367 is a prime.

It is a super-2 number, since 2×52002431² = 5408505659819522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52002421) 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, 4706 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (7028658).

Almost surely, 2^52002431 is an apocalyptic number.

52002431 is a deficient number, since it is larger than the sum of its proper divisors (4226833).

52002431 is a wasteful number, since it uses less digits than its factorization.

52002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16201.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52002431 is about 7211.2711084801. The cubic root of 52002431 is about 373.2569320876.

Adding to 52002431 its reverse (13420025), we get a palindrome (65422456).

The spelling of 52002431 in words is "fifty-two million, two thousand, four hundred thirty-one".