71214653 has 2 divisors, whose sum is σ = 71214654. Its totient is φ = 71214652.

The previous prime is 71214623. The next prime is 71214659. The reversal of 71214653 is 35641217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71182969 + 31684 = 8437^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 71214653 - 2⁶ = 71214589 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 (71214659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35607326 + 35607327.

It is an arithmetic number, because the mean of its divisors is an integer number (35607327).

Almost surely, 2^71214653 is an apocalyptic number.

It is an amenable number.

71214653 is a deficient number, since it is larger than the sum of its proper divisors (1).

71214653 is an equidigital number, since it uses as much as digits as its factorization.

71214653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 71214653 is about 8438.8774727448. The cubic root of 71214653 is about 414.4986503963.

The spelling of 71214653 in words is "seventy-one million, two hundred fourteen thousand, six hundred fifty-three".