842600401 has 2 divisors, whose sum is σ = 842600402. Its totient is φ = 842600400.

The previous prime is 842600387. The next prime is 842600419. The reversal of 842600401 is 104006248.

842600401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777071376 + 65529025 = 27876^2 + 8095^2 .

It is a cyclic number.

It is not a de Polignac number, because 842600401 - 2¹³ = 842592209 is a prime.

It is not a weakly prime, because it can be changed into another prime (842600501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421300200 + 421300201.

It is an arithmetic number, because the mean of its divisors is an integer number (421300201).

Almost surely, 2^842600401 is an apocalyptic number.

It is an amenable number.

842600401 is a deficient number, since it is larger than the sum of its proper divisors (1).

842600401 is an equidigital number, since it uses as much as digits as its factorization.

842600401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 842600401 is about 29027.5800059185. The cubic root of 842600401 is about 944.5114356320.

Adding to 842600401 its reverse (104006248), we get a palindrome (946606649).

The spelling of 842600401 in words is "eight hundred forty-two million, six hundred thousand, four hundred one".