83605481 has 8 divisors (see below), whose sum is σ = 87592704. Its totient is φ = 79698960.

The previous prime is 83605427. The next prime is 83605547. The reversal of 83605481 is 18450638.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83605481 - 2¹⁰ = 83604457 is a prime.

It is a super-2 number, since 2×83605481² = 13979752906482722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83605981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18050 + ... + 22203.

It is an arithmetic number, because the mean of its divisors is an integer number (10949088).

Almost surely, 2^83605481 is an apocalyptic number.

It is an amenable number.

83605481 is a deficient number, since it is larger than the sum of its proper divisors (3987223).

83605481 is a wasteful number, since it uses less digits than its factorization.

83605481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40351.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83605481 is about 9143.6032831702. The cubic root of 83605481 is about 437.2652014661.

The spelling of 83605481 in words is "eighty-three million, six hundred five thousand, four hundred eighty-one".