52566541 has 2 divisors, whose sum is σ = 52566542. Its totient is φ = 52566540.

The previous prime is 52566509. The next prime is 52566557. The reversal of 52566541 is 14566525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 8874441 = 6610^2 + 2979^2 .

It is a cyclic number.

It is not a de Polignac number, because 52566541 - 2⁵ = 52566509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52566497 and 52566506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52566841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26283270 + 26283271.

It is an arithmetic number, because the mean of its divisors is an integer number (26283271).

Almost surely, 2^52566541 is an apocalyptic number.

It is an amenable number.

52566541 is a deficient number, since it is larger than the sum of its proper divisors (1).

52566541 is an equidigital number, since it uses as much as digits as its factorization.

52566541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 52566541 is about 7250.2786842990. The cubic root of 52566541 is about 374.6017484642.

The spelling of 52566541 in words is "fifty-two million, five hundred sixty-six thousand, five hundred forty-one".