52643473 has 2 divisors, whose sum is σ = 52643474. Its totient is φ = 52643472.

The previous prime is 52643449. The next prime is 52643491. The reversal of 52643473 is 37434625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52316289 + 327184 = 7233^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 52643473 - 2¹⁷ = 52512401 is a prime.

It is not a weakly prime, because it can be changed into another prime (52643273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321736 + 26321737.

It is an arithmetic number, because the mean of its divisors is an integer number (26321737).

Almost surely, 2^52643473 is an apocalyptic number.

It is an amenable number.

52643473 is a deficient number, since it is larger than the sum of its proper divisors (1).

52643473 is an equidigital number, since it uses as much as digits as its factorization.

52643473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 52643473 is about 7255.5821957993. The cubic root of 52643473 is about 374.7844046661.

The spelling of 52643473 in words is "fifty-two million, six hundred forty-three thousand, four hundred seventy-three".