71335051 has 2 divisors, whose sum is σ = 71335052. Its totient is φ = 71335050.

The previous prime is 71335031. The next prime is 71335067. The reversal of 71335051 is 15053317.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71335051 is a prime.

It is not a weakly prime, because it can be changed into another prime (71335031) 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, 35667525 + 35667526.

It is an arithmetic number, because the mean of its divisors is an integer number (35667526).

Almost surely, 2^71335051 is an apocalyptic number.

71335051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71335051 is an equidigital number, since it uses as much as digits as its factorization.

71335051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 71335051 is about 8446.0079919451. The cubic root of 71335051 is about 414.7321075533.

Adding to 71335051 its reverse (15053317), we get a palindrome (86388368).

The spelling of 71335051 in words is "seventy-one million, three hundred thirty-five thousand, fifty-one".