71353053 has 6 divisors (see below), whose sum is σ = 103065534. Its totient is φ = 47568696.

The previous prime is 71353049. The next prime is 71353081. The reversal of 71353053 is 35035317.

It can be written as a sum of positive squares in only one way, i.e., 71014329 + 338724 = 8427^2 + 582^2 .

It is not a de Polignac number, because 71353053 - 2² = 71353049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71353013) 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 in 5 ways as a sum of consecutive naturals, for example, 3964050 + ... + 3964067.

It is an arithmetic number, because the mean of its divisors is an integer number (17177589).

Almost surely, 2^71353053 is an apocalyptic number.

It is an amenable number.

71353053 is a deficient number, since it is larger than the sum of its proper divisors (31712481).

71353053 is a wasteful number, since it uses less digits than its factorization.

71353053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928123 (or 7928120 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 71353053 is about 8447.0736352893. The cubic root of 71353053 is about 414.7669916640.

The spelling of 71353053 in words is "seventy-one million, three hundred fifty-three thousand, fifty-three".