71382853 has 2 divisors, whose sum is σ = 71382854. Its totient is φ = 71382852.

The previous prime is 71382827. The next prime is 71382859. The reversal of 71382853 is 35828317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53260804 + 18122049 = 7298^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 71382853 - 2⁹ = 71382341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71382859) 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, 35691426 + 35691427.

It is an arithmetic number, because the mean of its divisors is an integer number (35691427).

Almost surely, 2^71382853 is an apocalyptic number.

It is an amenable number.

71382853 is a deficient number, since it is larger than the sum of its proper divisors (1).

71382853 is an equidigital number, since it uses as much as digits as its factorization.

71382853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 71382853 is about 8448.8373756393. The cubic root of 71382853 is about 414.8247249379.

The spelling of 71382853 in words is "seventy-one million, three hundred eighty-two thousand, eight hundred fifty-three".