52215841 has 2 divisors, whose sum is σ = 52215842. Its totient is φ = 52215840.

The previous prime is 52215833. The next prime is 52215851. The reversal of 52215841 is 14851225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 25796241 = 5140^2 + 5079^2 .

It is a cyclic number.

It is not a de Polignac number, because 52215841 - 2³ = 52215833 is a prime.

It is not a weakly prime, because it can be changed into another prime (52215851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26107920 + 26107921.

It is an arithmetic number, because the mean of its divisors is an integer number (26107921).

Almost surely, 2^52215841 is an apocalyptic number.

It is an amenable number.

52215841 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215841 is an equidigital number, since it uses as much as digits as its factorization.

52215841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 28.

The square root of 52215841 is about 7226.0529336561. The cubic root of 52215841 is about 373.7668316040.

The spelling of 52215841 in words is "fifty-two million, two hundred fifteen thousand, eight hundred forty-one".