52121143 has 2 divisors, whose sum is σ = 52121144. Its totient is φ = 52121142.

The previous prime is 52121141. The next prime is 52121177. The reversal of 52121143 is 34112125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52121143 - 2¹ = 52121141 is a prime.

It is a super-2 number, since 2×52121143² = 5433227095252898, which contains 22 as substring.

Together with 52121141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52121143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52121141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060571 + 26060572.

It is an arithmetic number, because the mean of its divisors is an integer number (26060572).

Almost surely, 2^52121143 is an apocalyptic number.

52121143 is a deficient number, since it is larger than the sum of its proper divisors (1).

52121143 is an equidigital number, since it uses as much as digits as its factorization.

52121143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 52121143 is about 7219.4974201810. The cubic root of 52121143 is about 373.5407419116.

Adding to 52121143 its reverse (34112125), we get a palindrome (86233268).

The spelling of 52121143 in words is "fifty-two million, one hundred twenty-one thousand, one hundred forty-three".