81034703 has 2 divisors, whose sum is σ = 81034704. Its totient is φ = 81034702.

The previous prime is 81034697. The next prime is 81034711. The reversal of 81034703 is 30743018.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 81034703 - 2²² = 76840399 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81064703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40517351 + 40517352.

It is an arithmetic number, because the mean of its divisors is an integer number (40517352).

Almost surely, 2^81034703 is an apocalyptic number.

81034703 is a deficient number, since it is larger than the sum of its proper divisors (1).

81034703 is an equidigital number, since it uses as much as digits as its factorization.

81034703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 81034703 is about 9001.9277379903. The cubic root of 81034703 is about 432.7366528710.

The spelling of 81034703 in words is "eighty-one million, thirty-four thousand, seven hundred three".