83409461 has 2 divisors, whose sum is σ = 83409462. Its totient is φ = 83409460.

The previous prime is 83409413. The next prime is 83409479. The reversal of 83409461 is 16490438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 7806436 = 8695^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 83409461 - 2⁶ = 83409397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83409401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41704730 + 41704731.

It is an arithmetic number, because the mean of its divisors is an integer number (41704731).

Almost surely, 2^83409461 is an apocalyptic number.

It is an amenable number.

83409461 is a deficient number, since it is larger than the sum of its proper divisors (1).

83409461 is an equidigital number, since it uses as much as digits as its factorization.

83409461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83409461 is about 9132.8780239309. The cubic root of 83409461 is about 436.9231991714.

Adding to 83409461 its reverse (16490438), we get a palindrome (99899899).

The spelling of 83409461 in words is "eighty-three million, four hundred nine thousand, four hundred sixty-one".