83424401 has 2 divisors, whose sum is σ = 83424402. Its totient is φ = 83424400.

The previous prime is 83424377. The next prime is 83424403. The reversal of 83424401 is 10442438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 1050625 = 9076^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 83424401 - 2¹⁰ = 83423377 is a prime.

Together with 83424403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83424403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41712200 + 41712201.

It is an arithmetic number, because the mean of its divisors is an integer number (41712201).

Almost surely, 2^83424401 is an apocalyptic number.

It is an amenable number.

83424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

83424401 is an equidigital number, since it uses as much as digits as its factorization.

83424401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 83424401 is about 9133.6959112946. The cubic root of 83424401 is about 436.9492843134.

Adding to 83424401 its reverse (10442438), we get a palindrome (93866839).

The spelling of 83424401 in words is "eighty-three million, four hundred twenty-four thousand, four hundred one".