83530461 has 16 divisors (see below), whose sum is σ = 131391488. Its totient is φ = 46191600.

The previous prime is 83530439. The next prime is 83530471. The reversal of 83530461 is 16403538.

It is not a de Polignac number, because 83530461 - 2⁵ = 83530429 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 9140-th Hogben number.

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 (83530471) by changing a digit.

It is a nontrivial repunit in base 9139.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63505 + ... + 64806.

It is an arithmetic number, because the mean of its divisors is an integer number (8211968).

Almost surely, 2^83530461 is an apocalyptic number.

It is an amenable number.

83530461 is a deficient number, since it is larger than the sum of its proper divisors (47861027).

83530461 is a wasteful number, since it uses less digits than its factorization.

83530461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128352.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 83530461 is about 9139.5000410307. The cubic root of 83530461 is about 437.1343749079.

Adding to 83530461 its reverse (16403538), we get a palindrome (99933999).

The spelling of 83530461 in words is "eighty-three million, five hundred thirty thousand, four hundred sixty-one".