71052511 has 2 divisors, whose sum is σ = 71052512. Its totient is φ = 71052510.

The previous prime is 71052473. The next prime is 71052529. The reversal of 71052511 is 11525017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71052511 - 2⁹ = 71051999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71052551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35526255 + 35526256.

It is an arithmetic number, because the mean of its divisors is an integer number (35526256).

Almost surely, 2^71052511 is an apocalyptic number.

71052511 is a deficient number, since it is larger than the sum of its proper divisors (1).

71052511 is an equidigital number, since it uses as much as digits as its factorization.

71052511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 71052511 is about 8429.2651518386. The cubic root of 71052511 is about 414.1838335797.

Adding to 71052511 its reverse (11525017), we get a palindrome (82577528).

The spelling of 71052511 in words is "seventy-one million, fifty-two thousand, five hundred eleven".