83409269 has 2 divisors, whose sum is σ = 83409270. Its totient is φ = 83409268.

The previous prime is 83409257. The next prime is 83409281. The reversal of 83409269 is 96290438.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (83409257) and next prime (83409281).

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 15132100 = 8263^2 + 3890^2 .

It is a cyclic number.

It is not a de Polignac number, because 83409269 - 2²⁰ = 82360693 is a prime.

It is a super-2 number, since 2×83409269² = 13914212310228722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83409169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41704634 + 41704635.

It is an arithmetic number, because the mean of its divisors is an integer number (41704635).

Almost surely, 2^83409269 is an apocalyptic number.

It is an amenable number.

83409269 is a deficient number, since it is larger than the sum of its proper divisors (1).

83409269 is an equidigital number, since it uses as much as digits as its factorization.

83409269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 83409269 is about 9132.8675124519. The cubic root of 83409269 is about 436.9228639204.

The spelling of 83409269 in words is "eighty-three million, four hundred nine thousand, two hundred sixty-nine".