831601241 has 2 divisors, whose sum is σ = 831601242. Its totient is φ = 831601240.

The previous prime is 831601229. The next prime is 831601261. The reversal of 831601241 is 142106138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831111241 + 490000 = 28829^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 831601241 - 2¹⁴ = 831584857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 831601241.

It is not a weakly prime, because it can be changed into another prime (831601201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415800620 + 415800621.

It is an arithmetic number, because the mean of its divisors is an integer number (415800621).

Almost surely, 2^831601241 is an apocalyptic number.

It is an amenable number.

831601241 is a deficient number, since it is larger than the sum of its proper divisors (1).

831601241 is an equidigital number, since it uses as much as digits as its factorization.

831601241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 831601241 is about 28837.4971348070. The cubic root of 831601241 is about 940.3835921233.

Adding to 831601241 its reverse (142106138), we get a palindrome (973707379).

The spelling of 831601241 in words is "eight hundred thirty-one million, six hundred one thousand, two hundred forty-one".