85542417 has 6 divisors (see below), whose sum is σ = 123561282. Its totient is φ = 57028272.

The previous prime is 85542367. The next prime is 85542421. The reversal of 85542417 is 71424558.

It can be written as a sum of positive squares in only one way, i.e., 60980481 + 24561936 = 7809^2 + 4956^2 .

It is not a de Polignac number, because 85542417 - 2²³ = 77153809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85542467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4752348 + ... + 4752365.

It is an arithmetic number, because the mean of its divisors is an integer number (20593547).

Almost surely, 2^85542417 is an apocalyptic number.

It is an amenable number.

85542417 is a deficient number, since it is larger than the sum of its proper divisors (38018865).

85542417 is a wasteful number, since it uses less digits than its factorization.

85542417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504719 (or 9504716 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 85542417 is about 9248.9143687246. The cubic root of 85542417 is about 440.6162456688.

The spelling of 85542417 in words is "eighty-five million, five hundred forty-two thousand, four hundred seventeen".