52350013 has 2 divisors, whose sum is σ = 52350014. Its totient is φ = 52350012.

The previous prime is 52350007. The next prime is 52350031. The reversal of 52350013 is 31005325.

Together with next prime (52350031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50381604 + 1968409 = 7098^2 + 1403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52350013 is a prime.

It is a super-2 number, since 2×52350013² = 5481047722200338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52350083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175006 + 26175007.

It is an arithmetic number, because the mean of its divisors is an integer number (26175007).

Almost surely, 2^52350013 is an apocalyptic number.

It is an amenable number.

52350013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52350013 is an equidigital number, since it uses as much as digits as its factorization.

52350013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 52350013 is about 7235.3308839334. The cubic root of 52350013 is about 374.0866971840.

Adding to 52350013 its reverse (31005325), we get a palindrome (83355338).

The spelling of 52350013 in words is "fifty-two million, three hundred fifty thousand, thirteen".