52449013 has 2 divisors, whose sum is σ = 52449014. Its totient is φ = 52449012.

The previous prime is 52448989. The next prime is 52449041. The reversal of 52449013 is 31094425.

52449013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (52449041) can be obtained adding 52449013 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., 36264484 + 16184529 = 6022^2 + 4023^2 .

It is a cyclic number.

It is not a de Polignac number, because 52449013 - 2¹³ = 52440821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52449073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26224506 + 26224507.

It is an arithmetic number, because the mean of its divisors is an integer number (26224507).

Almost surely, 2^52449013 is an apocalyptic number.

It is an amenable number.

52449013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52449013 is an equidigital number, since it uses as much as digits as its factorization.

52449013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52449013 is about 7242.1690811524. The cubic root of 52449013 is about 374.3223625947.

The spelling of 52449013 in words is "fifty-two million, four hundred forty-nine thousand, thirteen".