52985173 has 2 divisors, whose sum is σ = 52985174. Its totient is φ = 52985172.

The previous prime is 52985131. The next prime is 52985197. The reversal of 52985173 is 37158925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42732369 + 10252804 = 6537^2 + 3202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52985173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52985473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26492586 + 26492587.

It is an arithmetic number, because the mean of its divisors is an integer number (26492587).

Almost surely, 2^52985173 is an apocalyptic number.

It is an amenable number.

52985173 is a deficient number, since it is larger than the sum of its proper divisors (1).

52985173 is an equidigital number, since it uses as much as digits as its factorization.

52985173 is an evil number, because the sum of its binary digits is even.

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

The square root of 52985173 is about 7279.0914955096. The cubic root of 52985173 is about 375.5935441999.

The spelling of 52985173 in words is "fifty-two million, nine hundred eighty-five thousand, one hundred seventy-three".