46021 has 2 divisors, whose sum is σ = 46022. Its totient is φ = 46020.

The previous prime is 45989. The next prime is 46027. The reversal of 46021 is 12064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45796 + 225 = 214^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 46021 - 2⁵ = 45989 is a prime.

46021 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 45992 and 46010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46027) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23010 + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (23011).

2⁴⁶⁰²¹ is an apocalyptic number.

It is an amenable number.

46021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46021 is an equidigital number, since it uses as much as digits as its factorization.

46021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 46021 is about 214.5250568116. The cubic root of 46021 is about 35.8359303448.

Adding to 46021 its reverse (12064), we get a palindrome (58085).

The spelling of 46021 in words is "forty-six thousand, twenty-one".