313541 has 4 divisors (see below), whose sum is σ = 315084. Its totient is φ = 312000.

The previous prime is 313517. The next prime is 313543. The reversal of 313541 is 145313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145313 = 7 ⋅20759.

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 229441 = 290^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 313541 - 2⁶ = 313477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313543) 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, 410 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (78771).

2³¹³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

313541 is a deficient number, since it is larger than the sum of its proper divisors (1543).

313541 is a wasteful number, since it uses less digits than its factorization.

313541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 180, while the sum is 17.

The square root of 313541 is about 559.9473189506. The cubic root of 313541 is about 67.9357091313.

Adding to 313541 its reverse (145313), we get a palindrome (458854).

The spelling of 313541 in words is "three hundred thirteen thousand, five hundred forty-one".