52187071 has 2 divisors, whose sum is σ = 52187072. Its totient is φ = 52187070.

The previous prime is 52187041. The next prime is 52187081. The reversal of 52187071 is 17078125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52187071 - 2⁷ = 52186943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52187041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26093535 + 26093536.

It is an arithmetic number, because the mean of its divisors is an integer number (26093536).

Almost surely, 2^52187071 is an apocalyptic number.

52187071 is a deficient number, since it is larger than the sum of its proper divisors (1).

52187071 is an equidigital number, since it uses as much as digits as its factorization.

52187071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 52187071 is about 7224.0619460245. The cubic root of 52187071 is about 373.6981726997.

The spelling of 52187071 in words is "fifty-two million, one hundred eighty-seven thousand, seventy-one".