348581 has 4 divisors (see below), whose sum is σ = 355212. Its totient is φ = 341952.

The previous prime is 348571. The next prime is 348583. The reversal of 348581 is 185843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312481 + 36100 = 559^2 + 190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348581 is a prime.

It is a super-2 number, since 2×348581² = 243017427122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348583) 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, 3236 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (88803).

2³⁴⁸⁵⁸¹ is an apocalyptic number.

It is an amenable number.

348581 is a deficient number, since it is larger than the sum of its proper divisors (6631).

348581 is an equidigital number, since it uses as much as digits as its factorization.

348581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630.

The product of its digits is 3840, while the sum is 29.

The square root of 348581 is about 590.4074864024. The cubic root of 348581 is about 70.3776191124.

It can be divided in two parts, 348 and 581, that added together give a palindrome (929).

The spelling of 348581 in words is "three hundred forty-eight thousand, five hundred eighty-one".