83617141 has 2 divisors, whose sum is σ = 83617142. Its totient is φ = 83617140.

The previous prime is 83617133. The next prime is 83617189. The reversal of 83617141 is 14171638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64738116 + 18879025 = 8046^2 + 4345^2 .

It is a cyclic number.

It is not a de Polignac number, because 83617141 - 2³ = 83617133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83618141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41808570 + 41808571.

It is an arithmetic number, because the mean of its divisors is an integer number (41808571).

Almost surely, 2^83617141 is an apocalyptic number.

It is an amenable number.

83617141 is a deficient number, since it is larger than the sum of its proper divisors (1).

83617141 is an equidigital number, since it uses as much as digits as its factorization.

83617141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 83617141 is about 9144.2408651566. The cubic root of 83617141 is about 437.2855281847.

Adding to 83617141 its reverse (14171638), we get a palindrome (97788779).

The spelling of 83617141 in words is "eighty-three million, six hundred seventeen thousand, one hundred forty-one".