461521 has 2 divisors, whose sum is σ = 461522. Its totient is φ = 461520.

The previous prime is 461507. The next prime is 461561. The reversal of 461521 is 125164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 25921 = 660^2 + 161^2 .

It is a cyclic number.

It is not a de Polignac number, because 461521 - 2⁷ = 461393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230760 + 230761.

It is an arithmetic number, because the mean of its divisors is an integer number (230761).

2⁴⁶¹⁵²¹ is an apocalyptic number.

It is an amenable number.

461521 is a deficient number, since it is larger than the sum of its proper divisors (1).

461521 is an equidigital number, since it uses as much as digits as its factorization.

461521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 461521 is about 679.3533690209. The cubic root of 461521 is about 77.2794143736.

Adding to 461521 its reverse (125164), we get a palindrome (586685).

The spelling of 461521 in words is "four hundred sixty-one thousand, five hundred twenty-one".