71351461 has 2 divisors, whose sum is σ = 71351462. Its totient is φ = 71351460.

The previous prime is 71351459. The next prime is 71351507. The reversal of 71351461 is 16415317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61308900 + 10042561 = 7830^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 71351461 - 2¹ = 71351459 is a prime.

Together with 71351459, it forms a pair of twin primes.

It is equal to p_4192804 and since 71351461 and 4192804 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71351411) 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, 35675730 + 35675731.

It is an arithmetic number, because the mean of its divisors is an integer number (35675731).

Almost surely, 2^71351461 is an apocalyptic number.

It is an amenable number.

71351461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71351461 is an equidigital number, since it uses as much as digits as its factorization.

71351461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 71351461 is about 8446.9794009456. The cubic root of 71351461 is about 414.7639069375.

Adding to 71351461 its reverse (16415317), we get a palindrome (87766778).

The spelling of 71351461 in words is "seventy-one million, three hundred fifty-one thousand, four hundred sixty-one".