52815601 has 2 divisors, whose sum is σ = 52815602. Its totient is φ = 52815600.

The previous prime is 52815589. The next prime is 52815629. The reversal of 52815601 is 10651825.

It is an a-pointer prime, because the next prime (52815629) can be obtained adding 52815601 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 2405601 = 7100^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 52815601 - 2¹⁹ = 52291313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52815601.

It is not a weakly prime, because it can be changed into another prime (52815701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26407800 + 26407801.

It is an arithmetic number, because the mean of its divisors is an integer number (26407801).

Almost surely, 2^52815601 is an apocalyptic number.

It is an amenable number.

52815601 is a deficient number, since it is larger than the sum of its proper divisors (1).

52815601 is an equidigital number, since it uses as much as digits as its factorization.

52815601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 52815601 is about 7267.4342790286. The cubic root of 52815601 is about 375.1924369349.

It can be divided in two parts, 528 and 15601, that multiplied together give a palindrome (8237328).

The spelling of 52815601 in words is "fifty-two million, eight hundred fifteen thousand, six hundred one".