52784573 has 2 divisors, whose sum is σ = 52784574. Its totient is φ = 52784572.

The previous prime is 52784539. The next prime is 52784579. The reversal of 52784573 is 37548725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 3602404 = 7013^2 + 1898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52784573 is a prime.

It is a super-2 number, since 2×52784573² = 5572422293584658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52784573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52784579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26392286 + 26392287.

It is an arithmetic number, because the mean of its divisors is an integer number (26392287).

Almost surely, 2^52784573 is an apocalyptic number.

It is an amenable number.

52784573 is a deficient number, since it is larger than the sum of its proper divisors (1).

52784573 is an equidigital number, since it uses as much as digits as its factorization.

52784573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The square root of 52784573 is about 7265.2992367830. The cubic root of 52784573 is about 375.1189501168.

The spelling of 52784573 in words is "fifty-two million, seven hundred eighty-four thousand, five hundred seventy-three".