341561 has 4 divisors (see below), whose sum is σ = 372624. Its totient is φ = 310500.

The previous prime is 341557. The next prime is 341569. The reversal of 341561 is 165143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165143 = 11 ⋅15013.

It is a cyclic number.

It is not a de Polignac number, because 341561 - 2² = 341557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15515 + ... + 15536.

It is an arithmetic number, because the mean of its divisors is an integer number (93156).

2³⁴¹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

341561 is a deficient number, since it is larger than the sum of its proper divisors (31063).

341561 is a wasteful number, since it uses less digits than its factorization.

341561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31062.

The product of its digits is 360, while the sum is 20.

The square root of 341561 is about 584.4322030826. The cubic root of 341561 is about 69.9019716282.

The spelling of 341561 in words is "three hundred forty-one thousand, five hundred sixty-one".