85341491 has 2 divisors, whose sum is σ = 85341492. Its totient is φ = 85341490.

The previous prime is 85341469. The next prime is 85341563. The reversal of 85341491 is 19414358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85341491 - 2⁶ = 85341427 is a prime.

It is a super-2 number, since 2×85341491² = 14566340172206162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85341401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42670745 + 42670746.

It is an arithmetic number, because the mean of its divisors is an integer number (42670746).

Almost surely, 2^85341491 is an apocalyptic number.

85341491 is a deficient number, since it is larger than the sum of its proper divisors (1).

85341491 is an equidigital number, since it uses as much as digits as its factorization.

85341491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 85341491 is about 9238.0458431424. The cubic root of 85341491 is about 440.2709952503.

The spelling of 85341491 in words is "eighty-five million, three hundred forty-one thousand, four hundred ninety-one".