862131041 has 2 divisors, whose sum is σ = 862131042. Its totient is φ = 862131040.

The previous prime is 862131007. The next prime is 862131059. The reversal of 862131041 is 140131268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776179600 + 85951441 = 27860^2 + 9271^2 .

It is a cyclic number.

It is not a de Polignac number, because 862131041 - 2¹⁸ = 861868897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 862131041.

It is not a weakly prime, because it can be changed into another prime (862131001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431065520 + 431065521.

It is an arithmetic number, because the mean of its divisors is an integer number (431065521).

Almost surely, 2^862131041 is an apocalyptic number.

It is an amenable number.

862131041 is a deficient number, since it is larger than the sum of its proper divisors (1).

862131041 is an equidigital number, since it uses as much as digits as its factorization.

862131041 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 862131041 is about 29362.0680640857. The cubic root of 862131041 is about 951.7533790383.

The spelling of 862131041 in words is "eight hundred sixty-two million, one hundred thirty-one thousand, forty-one".