71453 has 2 divisors, whose sum is σ = 71454. Its totient is φ = 71452.

The previous prime is 71443. The next prime is 71471. The reversal of 71453 is 35417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68644 + 2809 = 262^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 71453 - 2⁴ = 71437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35726 + 35727.

It is an arithmetic number, because the mean of its divisors is an integer number (35727).

2⁷¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

71453 is a deficient number, since it is larger than the sum of its proper divisors (1).

71453 is an equidigital number, since it uses as much as digits as its factorization.

71453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 20.

The square root of 71453 is about 267.3069396780. The cubic root of 71453 is about 41.4960561404.

It can be divided in two parts, 714 and 53, that added together give a palindrome (767).

The spelling of 71453 in words is "seventy-one thousand, four hundred fifty-three".