83261617 has 2 divisors, whose sum is σ = 83261618. Its totient is φ = 83261616.

The previous prime is 83261603. The next prime is 83261627. The reversal of 83261617 is 71616238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59845696 + 23415921 = 7736^2 + 4839^2 .

It is a cyclic number.

It is not a de Polignac number, because 83261617 - 2⁷ = 83261489 is a prime.

It is equal to p_4848532 and since 83261617 and 4848532 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83261627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41630808 + 41630809.

It is an arithmetic number, because the mean of its divisors is an integer number (41630809).

Almost surely, 2^83261617 is an apocalyptic number.

It is an amenable number.

83261617 is a deficient number, since it is larger than the sum of its proper divisors (1).

83261617 is an equidigital number, since it uses as much as digits as its factorization.

83261617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 83261617 is about 9124.7803809188. The cubic root of 83261617 is about 436.6648964311.

The spelling of 83261617 in words is "eighty-three million, two hundred sixty-one thousand, six hundred seventeen".