862231049 has 2 divisors, whose sum is σ = 862231050. Its totient is φ = 862231048.

The previous prime is 862231003. The next prime is 862231057. The reversal of 862231049 is 940132268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 827597824 + 34633225 = 28768^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 862231049 - 2²⁸ = 593795593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (862231079) by changing a digit.

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 as a sum of consecutive naturals, namely, 431115524 + 431115525.

It is an arithmetic number, because the mean of its divisors is an integer number (431115525).

Almost surely, 2^862231049 is an apocalyptic number.

It is an amenable number.

862231049 is a deficient number, since it is larger than the sum of its proper divisors (1).

862231049 is an equidigital number, since it uses as much as digits as its factorization.

862231049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 862231049 is about 29363.7710282586. The cubic root of 862231049 is about 951.7901790401.

The spelling of 862231049 in words is "eight hundred sixty-two million, two hundred thirty-one thousand, forty-nine".