52513789 has 2 divisors, whose sum is σ = 52513790. Its totient is φ = 52513788.

The previous prime is 52513771. The next prime is 52513819. The reversal of 52513789 is 98731525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27092025 + 25421764 = 5205^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513789 - 2¹¹ = 52511741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52513759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256894 + 26256895.

It is an arithmetic number, because the mean of its divisors is an integer number (26256895).

Almost surely, 2^52513789 is an apocalyptic number.

It is an amenable number.

52513789 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513789 is an equidigital number, since it uses as much as digits as its factorization.

52513789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 52513789 is about 7246.6398420233. The cubic root of 52513789 is about 374.4763987330.

The spelling of 52513789 in words is "fifty-two million, five hundred thirteen thousand, seven hundred eighty-nine".