252545071 has 2 divisors, whose sum is σ = 252545072. Its totient is φ = 252545070.

The previous prime is 252545057. The next prime is 252545077. The reversal of 252545071 is 170545252.

252545071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252545071 - 2¹¹ = 252543023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252545077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126272535 + 126272536.

It is an arithmetic number, because the mean of its divisors is an integer number (126272536).

Almost surely, 2^252545071 is an apocalyptic number.

252545071 is a deficient number, since it is larger than the sum of its proper divisors (1).

252545071 is an equidigital number, since it uses as much as digits as its factorization.

252545071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 252545071 is about 15891.6667156092. Note that the first 3 decimals coincide. The cubic root of 252545071 is about 632.0910371649.

The spelling of 252545071 in words is "two hundred fifty-two million, five hundred forty-five thousand, seventy-one".