71338051 has 2 divisors, whose sum is σ = 71338052. Its totient is φ = 71338050.

The previous prime is 71338013. The next prime is 71338061. The reversal of 71338051 is 15083317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71338051 - 2¹³ = 71329859 is a prime.

It is not a weakly prime, because it can be changed into another prime (71338061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35669025 + 35669026.

It is an arithmetic number, because the mean of its divisors is an integer number (35669026).

Almost surely, 2^71338051 is an apocalyptic number.

71338051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71338051 is an equidigital number, since it uses as much as digits as its factorization.

71338051 is an odious number, because the sum of its binary digits is odd.

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

The square root of 71338051 is about 8446.1855887732. The cubic root of 71338051 is about 414.7379213333.

The spelling of 71338051 in words is "seventy-one million, three hundred thirty-eight thousand, fifty-one".