842044325 has 6 divisors (see below), whose sum is σ = 1044134994. Its totient is φ = 673635440.

The previous prime is 842044303. The next prime is 842044363. The reversal of 842044325 is 523440248.

It is a Cunningham number, because it is equal to 29018²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 842044324 = 1^2 + 29018^2 .

It is not a de Polignac number, because 842044325 - 2¹⁴ = 842027941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842044291 and 842044300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16840862 + ... + 16840911.

It is an arithmetic number, because the mean of its divisors is an integer number (174022499).

Almost surely, 2^842044325 is an apocalyptic number.

It is an amenable number.

842044325 is a deficient number, since it is larger than the sum of its proper divisors (202090669).

842044325 is a wasteful number, since it uses less digits than its factorization.

842044325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33681783 (or 33681778 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 842044325 is about 29018.0000172307. Note that the first 4 decimals coincide. The cubic root of 842044325 is about 944.3036124366.

The spelling of 842044325 in words is "eight hundred forty-two million, forty-four thousand, three hundred twenty-five".