52001641 has 2 divisors, whose sum is σ = 52001642. Its totient is φ = 52001640.

The previous prime is 52001617. The next prime is 52001647. The reversal of 52001641 is 14610025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 5475600 = 6821^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 52001641 - 2¹¹ = 51999593 is a prime.

It is not a weakly prime, because it can be changed into another prime (52001647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26000820 + 26000821.

It is an arithmetic number, because the mean of its divisors is an integer number (26000821).

Almost surely, 2^52001641 is an apocalyptic number.

It is an amenable number.

52001641 is a deficient number, since it is larger than the sum of its proper divisors (1).

52001641 is an equidigital number, since it uses as much as digits as its factorization.

52001641 is an odious number, because the sum of its binary digits is odd.

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

The square root of 52001641 is about 7211.2163329081. The cubic root of 52001641 is about 373.2550419550.

Adding to 52001641 its reverse (14610025), we get a palindrome (66611666).

The spelling of 52001641 in words is "fifty-two million, one thousand, six hundred forty-one".