83345549 has 4 divisors (see below), whose sum is σ = 95252064. Its totient is φ = 71439036.

The previous prime is 83345531. The next prime is 83345569. The reversal of 83345549 is 94554338.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94554338 = 2 ⋅47277169.

It is a cyclic number.

It is not a de Polignac number, because 83345549 - 2⁸ = 83345293 is a prime.

It is a super-2 number, since 2×83345549² = 13892961076222802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83345519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5953247 + ... + 5953260.

It is an arithmetic number, because the mean of its divisors is an integer number (23813016).

Almost surely, 2^83345549 is an apocalyptic number.

It is an amenable number.

83345549 is a deficient number, since it is larger than the sum of its proper divisors (11906515).

83345549 is a wasteful number, since it uses less digits than its factorization.

83345549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906514.

The product of its digits is 259200, while the sum is 41.

The square root of 83345549 is about 9129.3783468536. The cubic root of 83345549 is about 436.8115740609.

The spelling of 83345549 in words is "eighty-three million, three hundred forty-five thousand, five hundred forty-nine".