71456453 has 2 divisors, whose sum is σ = 71456454. Its totient is φ = 71456452.

The previous prime is 71456449. The next prime is 71456477. The reversal of 71456453 is 35465417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 30713764 = 6383^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 71456453 - 2² = 71456449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71456753) 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, 35728226 + 35728227.

It is an arithmetic number, because the mean of its divisors is an integer number (35728227).

Almost surely, 2^71456453 is an apocalyptic number.

It is an amenable number.

71456453 is a deficient number, since it is larger than the sum of its proper divisors (1).

71456453 is an equidigital number, since it uses as much as digits as its factorization.

71456453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 71456453 is about 8453.1918823602. The cubic root of 71456453 is about 414.9672456851.

The spelling of 71456453 in words is "seventy-one million, four hundred fifty-six thousand, four hundred fifty-three".