85240003 has 2 divisors, whose sum is σ = 85240004. Its totient is φ = 85240002.

The previous prime is 85239977. The next prime is 85240009. The reversal of 85240003 is 30004258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85240003 - 2¹⁷ = 85108931 is a prime.

It is a super-2 number, since 2×85240003² = 14531716222880018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85240009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42620001 + 42620002.

It is an arithmetic number, because the mean of its divisors is an integer number (42620002).

Almost surely, 2^85240003 is an apocalyptic number.

85240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

85240003 is an equidigital number, since it uses as much as digits as its factorization.

85240003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 85240003 is about 9232.5512725357. The cubic root of 85240003 is about 440.0964027749.

The spelling of 85240003 in words is "eighty-five million, two hundred forty thousand, three".