252585061 has 2 divisors, whose sum is σ = 252585062. Its totient is φ = 252585060.

The previous prime is 252585059. The next prime is 252585131. The reversal of 252585061 is 160585252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205922500 + 46662561 = 14350^2 + 6831^2 .

It is a cyclic number.

It is not a de Polignac number, because 252585061 - 2¹ = 252585059 is a prime.

Together with 252585059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252585761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126292530 + 126292531.

It is an arithmetic number, because the mean of its divisors is an integer number (126292531).

Almost surely, 2^252585061 is an apocalyptic number.

It is an amenable number.

252585061 is a deficient number, since it is larger than the sum of its proper divisors (1).

252585061 is an equidigital number, since it uses as much as digits as its factorization.

252585061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 252585061 is about 15892.9248724078. The cubic root of 252585061 is about 632.1243988488.

The spelling of 252585061 in words is "two hundred fifty-two million, five hundred eighty-five thousand, sixty-one".