85041469 has 2 divisors, whose sum is σ = 85041470. Its totient is φ = 85041468.

The previous prime is 85041461. The next prime is 85041499. The reversal of 85041469 is 96414058.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 36905625 = 6938^2 + 6075^2 .

It is a cyclic number.

It is not a de Polignac number, because 85041469 - 2³ = 85041461 is a prime.

It is a super-2 number, since 2×85041469² = 14464102899355922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85041461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42520734 + 42520735.

It is an arithmetic number, because the mean of its divisors is an integer number (42520735).

Almost surely, 2^85041469 is an apocalyptic number.

It is an amenable number.

85041469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85041469 is an equidigital number, since it uses as much as digits as its factorization.

85041469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 85041469 is about 9221.7931553467. The cubic root of 85041469 is about 439.7544583869.

The spelling of 85041469 in words is "eighty-five million, forty-one thousand, four hundred sixty-nine".