315401 has 4 divisors (see below), whose sum is σ = 333972. Its totient is φ = 296832.

The previous prime is 315389. The next prime is 315407. The reversal of 315401 is 104513.

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 121801 + 193600 = 349^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 315401 - 2¹⁴ = 299017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315401.

It is not an unprimeable number, because it can be changed into a prime (315407) 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, 9260 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (83493).

2³¹⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

315401 is a deficient number, since it is larger than the sum of its proper divisors (18571).

315401 is a wasteful number, since it uses less digits than its factorization.

315401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 315401 is about 561.6057335890. The cubic root of 315401 is about 68.0697813074.

Adding to 315401 its reverse (104513), we get a palindrome (419914).

The spelling of 315401 in words is "three hundred fifteen thousand, four hundred one".