52573181 has 2 divisors, whose sum is σ = 52573182. Its totient is φ = 52573180.

The previous prime is 52573159. The next prime is 52573211. The reversal of 52573181 is 18137525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 7562500 = 6709^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 52573181 - 2¹⁸ = 52311037 is a prime.

It is a super-2 number, since 2×52573181² = 5527878720917522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52573121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286590 + 26286591.

It is an arithmetic number, because the mean of its divisors is an integer number (26286591).

Almost surely, 2^52573181 is an apocalyptic number.

It is an amenable number.

52573181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52573181 is an equidigital number, since it uses as much as digits as its factorization.

52573181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 52573181 is about 7250.7365832721. The cubic root of 52573181 is about 374.6175205431.

The spelling of 52573181 in words is "fifty-two million, five hundred seventy-three thousand, one hundred eighty-one".