52581041 has 2 divisors, whose sum is σ = 52581042. Its totient is φ = 52581040.

The previous prime is 52581019. The next prime is 52581077. The reversal of 52581041 is 14018525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 18241441 = 5860^2 + 4271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52581041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52581041.

It is not a weakly prime, because it can be changed into another prime (52581091) 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, 26290520 + 26290521.

It is an arithmetic number, because the mean of its divisors is an integer number (26290521).

Almost surely, 2^52581041 is an apocalyptic number.

It is an amenable number.

52581041 is a deficient number, since it is larger than the sum of its proper divisors (1).

52581041 is an equidigital number, since it uses as much as digits as its factorization.

52581041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 52581041 is about 7251.2785769132. The cubic root of 52581041 is about 374.6361887875.

Adding to 52581041 its reverse (14018525), we get a palindrome (66599566).

The spelling of 52581041 in words is "fifty-two million, five hundred eighty-one thousand, forty-one".