71325151 has 2 divisors, whose sum is σ = 71325152. Its totient is φ = 71325150.

The previous prime is 71325143. The next prime is 71325173. The reversal of 71325151 is 15152317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71325151 - 2³ = 71325143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71305151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35662575 + 35662576.

It is an arithmetic number, because the mean of its divisors is an integer number (35662576).

Almost surely, 2^71325151 is an apocalyptic number.

71325151 is a deficient number, since it is larger than the sum of its proper divisors (1).

71325151 is an equidigital number, since it uses as much as digits as its factorization.

71325151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 25.

The square root of 71325151 is about 8445.4218959150. The cubic root of 71325151 is about 414.7129209227.

Adding to 71325151 its reverse (15152317), we get a palindrome (86477468).

The spelling of 71325151 in words is "seventy-one million, three hundred twenty-five thousand, one hundred fifty-one".