53112013 has 2 divisors, whose sum is σ = 53112014. Its totient is φ = 53112012.

The previous prime is 53111987. The next prime is 53112041. The reversal of 53112013 is 31021135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 11985444 = 6413^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 53112013 - 2⁹ = 53111501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53112113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556006 + 26556007.

It is an arithmetic number, because the mean of its divisors is an integer number (26556007).

Almost surely, 2^53112013 is an apocalyptic number.

It is an amenable number.

53112013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112013 is an equidigital number, since it uses as much as digits as its factorization.

53112013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 53112013 is about 7287.7989132522. The cubic root of 53112013 is about 375.8930136422.

Adding to 53112013 its reverse (31021135), we get a palindrome (84133148).

It can be divided in two parts, 531 and 12013, that added together give a square (12544 = 112²).

The spelling of 53112013 in words is "fifty-three million, one hundred twelve thousand, thirteen".