342541 has 4 divisors (see below), whose sum is σ = 346752. Its totient is φ = 338332.

The previous prime is 342527. The next prime is 342547. The reversal of 342541 is 145243.

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: 145243 = 7 ⋅20749.

It is a cyclic number.

It is not a de Polignac number, because 342541 - 2⁷ = 342413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342547) 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, 1981 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (86688).

2³⁴²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

342541 is a deficient number, since it is larger than the sum of its proper divisors (4211).

342541 is an equidigital number, since it uses as much as digits as its factorization.

342541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its digits is 480, while the sum is 19.

The square root of 342541 is about 585.2700231517. The cubic root of 342541 is about 69.9687615717.

Adding to 342541 its reverse (145243), we get a palindrome (487784).

The spelling of 342541 in words is "three hundred forty-two thousand, five hundred forty-one".