71089033 has 2 divisors, whose sum is σ = 71089034. Its totient is φ = 71089032.

The previous prime is 71088989. The next prime is 71089043. The reversal of 71089033 is 33098017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 21132409 = 7068^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 71089033 - 2¹⁷ = 70957961 is a prime.

It is a super-2 number, since 2×71089033² = 10107301225750178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71088986 and 71089004.

It is not a weakly prime, because it can be changed into another prime (71089043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35544516 + 35544517.

It is an arithmetic number, because the mean of its divisors is an integer number (35544517).

Almost surely, 2^71089033 is an apocalyptic number.

It is an amenable number.

71089033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71089033 is an equidigital number, since it uses as much as digits as its factorization.

71089033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 71089033 is about 8431.4312545380. The cubic root of 71089033 is about 414.2547868821.

The spelling of 71089033 in words is "seventy-one million, eighty-nine thousand, thirty-three".