846542057 has 2 divisors, whose sum is σ = 846542058. Its totient is φ = 846542056.

The previous prime is 846542009. The next prime is 846542077. The reversal of 846542057 is 750245648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734626816 + 111915241 = 27104^2 + 10579^2 .

It is a cyclic number.

It is not a de Polignac number, because 846542057 - 2¹⁸ = 846279913 is a prime.

It is not a weakly prime, because it can be changed into another prime (846542077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423271028 + 423271029.

It is an arithmetic number, because the mean of its divisors is an integer number (423271029).

Almost surely, 2^846542057 is an apocalyptic number.

It is an amenable number.

846542057 is a deficient number, since it is larger than the sum of its proper divisors (1).

846542057 is an equidigital number, since it uses as much as digits as its factorization.

846542057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 846542057 is about 29095.3958041474. The cubic root of 846542057 is about 945.9819424671.

The spelling of 846542057 in words is "eight hundred forty-six million, five hundred forty-two thousand, fifty-seven".