71341511 has 2 divisors, whose sum is σ = 71341512. Its totient is φ = 71341510.

The previous prime is 71341507. The next prime is 71341519. The reversal of 71341511 is 11514317.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71341511 - 2² = 71341507 is a prime.

It is a super-2 number, since 2×71341511² = 10179222383526242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71341519) 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, 35670755 + 35670756.

It is an arithmetic number, because the mean of its divisors is an integer number (35670756).

Almost surely, 2^71341511 is an apocalyptic number.

71341511 is a deficient number, since it is larger than the sum of its proper divisors (1).

71341511 is an equidigital number, since it uses as much as digits as its factorization.

71341511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 23.

The square root of 71341511 is about 8446.3904124780. The cubic root of 71341511 is about 414.7446263572.

Adding to 71341511 its reverse (11514317), we get a palindrome (82855828).

It can be divided in two parts, 713 and 41511, that added together give a palindrome (42224).

The spelling of 71341511 in words is "seventy-one million, three hundred forty-one thousand, five hundred eleven".