85259963 has 2 divisors, whose sum is σ = 85259964. Its totient is φ = 85259962.

The previous prime is 85259957. The next prime is 85260017. The reversal of 85259963 is 36995258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85259963 - 2⁶ = 85259899 is a prime.

It is a super-2 number, since 2×85259963² = 14538522581522738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85259903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42629981 + 42629982.

It is an arithmetic number, because the mean of its divisors is an integer number (42629982).

Almost surely, 2^85259963 is an apocalyptic number.

85259963 is a deficient number, since it is larger than the sum of its proper divisors (1).

85259963 is an equidigital number, since it uses as much as digits as its factorization.

85259963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 85259963 is about 9233.6321672460. The cubic root of 85259963 is about 440.1307514310.

The spelling of 85259963 in words is "eighty-five million, two hundred fifty-nine thousand, nine hundred sixty-three".