52605571 has 2 divisors, whose sum is σ = 52605572. Its totient is φ = 52605570.

The previous prime is 52605569. The next prime is 52605593. The reversal of 52605571 is 17550625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52605571 - 2¹ = 52605569 is a prime.

It is a super-2 number, since 2×52605571² = 5534692200472082, which contains 22 as substring.

Together with 52605569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52606571) 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, 26302785 + 26302786.

It is an arithmetic number, because the mean of its divisors is an integer number (26302786).

Almost surely, 2^52605571 is an apocalyptic number.

52605571 is a deficient number, since it is larger than the sum of its proper divisors (1).

52605571 is an equidigital number, since it uses as much as digits as its factorization.

52605571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 52605571 is about 7252.9698055348. The cubic root of 52605571 is about 374.6944379006.

The spelling of 52605571 in words is "fifty-two million, six hundred five thousand, five hundred seventy-one".