85419533 has 4 divisors (see below), whose sum is σ = 86448768. Its totient is φ = 84390300.

The previous prime is 85419527. The next prime is 85419541. The reversal of 85419533 is 33591458.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85419533 - 2⁶ = 85419469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85419553) 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 in 3 ways as a sum of consecutive naturals, for example, 514493 + ... + 514658.

It is an arithmetic number, because the mean of its divisors is an integer number (21612192).

Almost surely, 2^85419533 is an apocalyptic number.

85419533 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85419533 is a deficient number, since it is larger than the sum of its proper divisors (1029235).

85419533 is a wasteful number, since it uses less digits than its factorization.

85419533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029234.

The product of its digits is 64800, while the sum is 38.

The square root of 85419533 is about 9242.2688231841. The cubic root of 85419533 is about 440.4051588337.

The spelling of 85419533 in words is "eighty-five million, four hundred nineteen thousand, five hundred thirty-three".