341521 has 2 divisors, whose sum is σ = 341522. Its totient is φ = 341520.

The previous prime is 341507. The next prime is 341543. The reversal of 341521 is 125143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239121 + 102400 = 489^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 341495 and 341504.

It is not a weakly prime, because it can be changed into another prime (341501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170760 + 170761.

It is an arithmetic number, because the mean of its divisors is an integer number (170761).

2³⁴¹⁵²¹ is an apocalyptic number.

It is an amenable number.

341521 is a deficient number, since it is larger than the sum of its proper divisors (1).

341521 is an equidigital number, since it uses as much as digits as its factorization.

341521 is an evil number, because the sum of its binary digits is even.

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

The square root of 341521 is about 584.3979808316. The cubic root of 341521 is about 69.8992427959.

Adding to 341521 its reverse (125143), we get a palindrome (466664).

The spelling of 341521 in words is "three hundred forty-one thousand, five hundred twenty-one".