83000061 has 6 divisors (see below), whose sum is σ = 119888990. Its totient is φ = 55333368.

The previous prime is 83000041. The next prime is 83000101. The reversal of 83000061 is 16000038.

It can be written as a sum of positive squares in only one way, i.e., 50851161 + 32148900 = 7131^2 + 5670^2 .

It is not a de Polignac number, because 83000061 - 2⁶ = 82999997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82999998 and 83000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83000011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4611106 + ... + 4611123.

Almost surely, 2^83000061 is an apocalyptic number.

It is an amenable number.

83000061 is a deficient number, since it is larger than the sum of its proper divisors (36888929).

83000061 is a wasteful number, since it uses less digits than its factorization.

83000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222235 (or 9222232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 83000061 is about 9110.4369269536. The cubic root of 83000061 is about 436.2071740074.

Adding to 83000061 its reverse (16000038), we get a palindrome (99000099).

The spelling of 83000061 in words is "eighty-three million, sixty-one", and thus it is an aban number and an uban number.