52530371 has 2 divisors, whose sum is σ = 52530372. Its totient is φ = 52530370.

The previous prime is 52530353. The next prime is 52530377. The reversal of 52530371 is 17303525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52530371 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52530371.

It is not a weakly prime, because it can be changed into another prime (52530377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26265185 + 26265186.

It is an arithmetic number, because the mean of its divisors is an integer number (26265186).

Almost surely, 2^52530371 is an apocalyptic number.

52530371 is a deficient number, since it is larger than the sum of its proper divisors (1).

52530371 is an equidigital number, since it uses as much as digits as its factorization.

52530371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 52530371 is about 7247.7838681903. The cubic root of 52530371 is about 374.5158100590.

Adding to 52530371 its reverse (17303525), we get a palindrome (69833896).

The spelling of 52530371 in words is "fifty-two million, five hundred thirty thousand, three hundred seventy-one".