71315053 has 2 divisors, whose sum is σ = 71315054. Its totient is φ = 71315052.

The previous prime is 71315029. The next prime is 71315059. The reversal of 71315053 is 35051317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 18636489 = 7258^2 + 4317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71315053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71315059) 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, 35657526 + 35657527.

It is an arithmetic number, because the mean of its divisors is an integer number (35657527).

Almost surely, 2^71315053 is an apocalyptic number.

It is an amenable number.

71315053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71315053 is an equidigital number, since it uses as much as digits as its factorization.

71315053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 71315053 is about 8444.8240360590. The cubic root of 71315053 is about 414.6933487304.

The spelling of 71315053 in words is "seventy-one million, three hundred fifteen thousand, fifty-three".