71044153 has 2 divisors, whose sum is σ = 71044154. Its totient is φ = 71044152.

The previous prime is 71044123. The next prime is 71044177. The reversal of 71044153 is 35144017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70107129 + 937024 = 8373^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 71044153 - 2¹³ = 71035961 is a prime.

It is not a weakly prime, because it can be changed into another prime (71044123) 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, 35522076 + 35522077.

It is an arithmetic number, because the mean of its divisors is an integer number (35522077).

Almost surely, 2^71044153 is an apocalyptic number.

It is an amenable number.

71044153 is a deficient number, since it is larger than the sum of its proper divisors (1).

71044153 is an equidigital number, since it uses as much as digits as its factorization.

71044153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 71044153 is about 8428.7693645039. The cubic root of 71044153 is about 414.1675926138.

The spelling of 71044153 in words is "seventy-one million, forty-four thousand, one hundred fifty-three".