464521 has 2 divisors, whose sum is σ = 464522. Its totient is φ = 464520.

The previous prime is 464483. The next prime is 464537. The reversal of 464521 is 125464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 60025 = 636^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 464521 - 2¹³ = 456329 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 464492 and 464501.

It is not a weakly prime, because it can be changed into another prime (464561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232260 + 232261.

It is an arithmetic number, because the mean of its divisors is an integer number (232261).

2⁴⁶⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

464521 is a deficient number, since it is larger than the sum of its proper divisors (1).

464521 is an equidigital number, since it uses as much as digits as its factorization.

464521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 464521 is about 681.5577745137. The cubic root of 464521 is about 77.4464979329.

Adding to 464521 its reverse (125464), we get a palindrome (589985).

The spelling of 464521 in words is "four hundred sixty-four thousand, five hundred twenty-one".