861425241 has 16 divisors (see below), whose sum is σ = 1255362048. Its totient is φ = 523065600.

The previous prime is 861425209. The next prime is 861425267. The reversal of 861425241 is 142524168.

It is a happy number.

861425241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 861425241 - 2⁵ = 861425209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (861425041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270850 + ... + 274011.

It is an arithmetic number, because the mean of its divisors is an integer number (78460128).

Almost surely, 2^861425241 is an apocalyptic number.

It is an amenable number.

861425241 is a deficient number, since it is larger than the sum of its proper divisors (393936807).

861425241 is a wasteful number, since it uses less digits than its factorization.

861425241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544912.

The product of its digits is 15360, while the sum is 33.

The square root of 861425241 is about 29350.0466950225. The cubic root of 861425241 is about 951.4935844520.

The spelling of 861425241 in words is "eight hundred sixty-one million, four hundred twenty-five thousand, two hundred forty-one".