602521 has 2 divisors, whose sum is σ = 602522. Its totient is φ = 602520.

The previous prime is 602513. The next prime is 602543. The reversal of 602521 is 125206.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 198025 = 636^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 602521 - 2³ = 602513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 602495 and 602504.

It is not a weakly prime, because it can be changed into another prime (602501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301260 + 301261.

It is an arithmetic number, because the mean of its divisors is an integer number (301261).

2⁶⁰²⁵²¹ is an apocalyptic number.

It is an amenable number.

602521 is a deficient number, since it is larger than the sum of its proper divisors (1).

602521 is an equidigital number, since it uses as much as digits as its factorization.

602521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 602521 is about 776.2222619843. Note that the first 4 decimals coincide. The cubic root of 602521 is about 84.4612289018.

Adding to 602521 its reverse (125206), we get a palindrome (727727).

The spelling of 602521 in words is "six hundred two thousand, five hundred twenty-one".