71314613 has 2 divisors, whose sum is σ = 71314614. Its totient is φ = 71314612.

The previous prime is 71314571. The next prime is 71314631. The reversal of 71314613 is 31641317.

Together with next prime (71314631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67601284 + 3713329 = 8222^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 71314613 - 2⁶ = 71314549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71314913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35657306 + 35657307.

It is an arithmetic number, because the mean of its divisors is an integer number (35657307).

Almost surely, 2^71314613 is an apocalyptic number.

It is an amenable number.

71314613 is a deficient number, since it is larger than the sum of its proper divisors (1).

71314613 is an equidigital number, since it uses as much as digits as its factorization.

71314613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 71314613 is about 8444.7979845583. The cubic root of 71314613 is about 414.6924958695.

The spelling of 71314613 in words is "seventy-one million, three hundred fourteen thousand, six hundred thirteen".