52246013 has 4 divisors (see below), whose sum is σ = 53520348. Its totient is φ = 50971680.

The previous prime is 52246003. The next prime is 52246037. The reversal of 52246013 is 31064225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12581209 + 39664804 = 3547^2 + 6298^2 .

It is a cyclic number.

It is not a de Polignac number, because 52246013 - 2¹⁰ = 52244989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52246013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52246003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637106 + ... + 637187.

It is an arithmetic number, because the mean of its divisors is an integer number (13380087).

Almost surely, 2^52246013 is an apocalyptic number.

It is an amenable number.

52246013 is a deficient number, since it is larger than the sum of its proper divisors (1274335).

52246013 is a wasteful number, since it uses less digits than its factorization.

52246013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274334.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52246013 is about 7228.1403555825. The cubic root of 52246013 is about 373.8388092593.

The spelling of 52246013 in words is "fifty-two million, two hundred forty-six thousand, thirteen".