67354613 has 2 divisors, whose sum is σ = 67354614. Its totient is φ = 67354612.

The previous prime is 67354597. The next prime is 67354621. The reversal of 67354613 is 31645376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35736484 + 31618129 = 5978^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 67354613 - 2⁴ = 67354597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67354643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33677306 + 33677307.

It is an arithmetic number, because the mean of its divisors is an integer number (33677307).

Almost surely, 2^67354613 is an apocalyptic number.

It is an amenable number.

67354613 is a deficient number, since it is larger than the sum of its proper divisors (1).

67354613 is an equidigital number, since it uses as much as digits as its factorization.

67354613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 67354613 is about 8206.9856220174. The cubic root of 67354613 is about 406.8701056668.

Adding to 67354613 its reverse (31645376), we get a palindrome (98999989).

The spelling of 67354613 in words is "sixty-seven million, three hundred fifty-four thousand, six hundred thirteen".