81046363 has 2 divisors, whose sum is σ = 81046364. Its totient is φ = 81046362.

The previous prime is 81046351. The next prime is 81046379. The reversal of 81046363 is 36364018.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-81046363 is a prime.

It is not a weakly prime, because it can be changed into another prime (81046333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40523181 + 40523182.

It is an arithmetic number, because the mean of its divisors is an integer number (40523182).

Almost surely, 2^81046363 is an apocalyptic number.

81046363 is a deficient number, since it is larger than the sum of its proper divisors (1).

81046363 is an equidigital number, since it uses as much as digits as its factorization.

81046363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 81046363 is about 9002.5753537529. The cubic root of 81046363 is about 432.7574072194.

The spelling of 81046363 in words is "eighty-one million, forty-six thousand, three hundred sixty-three".