71206453 has 2 divisors, whose sum is σ = 71206454. Its totient is φ = 71206452.

The previous prime is 71206393. The next prime is 71206481. The reversal of 71206453 is 35460217.

It is an a-pointer prime, because the next prime (71206481) can be obtained adding 71206453 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 20412324 = 7127^2 + 4518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71206453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71206153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35603226 + 35603227.

It is an arithmetic number, because the mean of its divisors is an integer number (35603227).

Almost surely, 2^71206453 is an apocalyptic number.

It is an amenable number.

71206453 is a deficient number, since it is larger than the sum of its proper divisors (1).

71206453 is an equidigital number, since it uses as much as digits as its factorization.

71206453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71206453 is about 8438.3916121498. The cubic root of 71206453 is about 414.4827406583.

The spelling of 71206453 in words is "seventy-one million, two hundred six thousand, four hundred fifty-three".