71051033 has 2 divisors, whose sum is σ = 71051034. Its totient is φ = 71051032.

The previous prime is 71051027. The next prime is 71051047. The reversal of 71051033 is 33015017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54051904 + 16999129 = 7352^2 + 4123^2 .

It is a cyclic number.

It is not a de Polignac number, because 71051033 - 2¹⁰ = 71050009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71050996 and 71051014.

It is not a weakly prime, because it can be changed into another prime (71051023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35525516 + 35525517.

It is an arithmetic number, because the mean of its divisors is an integer number (35525517).

Almost surely, 2^71051033 is an apocalyptic number.

It is an amenable number.

71051033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71051033 is an equidigital number, since it uses as much as digits as its factorization.

71051033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 71051033 is about 8429.1774806324. The cubic root of 71051033 is about 414.1809616758.

The spelling of 71051033 in words is "seventy-one million, fifty-one thousand, thirty-three".