46775021 has 2 divisors, whose sum is σ = 46775022. Its totient is φ = 46775020.

The previous prime is 46775009. The next prime is 46775039. The reversal of 46775021 is 12057764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 19096900 = 5261^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 46775021 - 2¹⁰ = 46773997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46775921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23387510 + 23387511.

It is an arithmetic number, because the mean of its divisors is an integer number (23387511).

Almost surely, 2^46775021 is an apocalyptic number.

It is an amenable number.

46775021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46775021 is an equidigital number, since it uses as much as digits as its factorization.

46775021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 46775021 is about 6839.2266375666. The cubic root of 46775021 is about 360.3058640287.

The spelling of 46775021 in words is "forty-six million, seven hundred seventy-five thousand, twenty-one".