83580613 has 4 divisors (see below), whose sum is σ = 83608000. Its totient is φ = 83553228.

The previous prime is 83580587. The next prime is 83580647. The reversal of 83580613 is 31608538.

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 83580613 - 2¹³ = 83572421 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 (83587613) 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, 8445 + ... + 15442.

It is an arithmetic number, because the mean of its divisors is an integer number (20902000).

Almost surely, 2^83580613 is an apocalyptic number.

It is an amenable number.

83580613 is a deficient number, since it is larger than the sum of its proper divisors (27387).

83580613 is a wasteful number, since it uses less digits than its factorization.

83580613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 83580613 is about 9142.2433242613. The cubic root of 83580613 is about 437.2218431073.

The spelling of 83580613 in words is "eighty-three million, five hundred eighty thousand, six hundred thirteen".