315046 has 4 divisors (see below), whose sum is σ = 472572. Its totient is φ = 157522.

The previous prime is 315037. The next prime is 315047. The reversal of 315046 is 640513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640513 = 229 ⋅2797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78760 + ... + 78763.

It is an arithmetic number, because the mean of its divisors is an integer number (118143).

2³¹⁵⁰⁴⁶ is an apocalyptic number.

315046 is a deficient number, since it is larger than the sum of its proper divisors (157526).

315046 is a wasteful number, since it uses less digits than its factorization.

315046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157525.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315046 is about 561.2895865772. The cubic root of 315046 is about 68.0442330432.

Adding to 315046 its reverse (640513), we get a palindrome (955559).

The spelling of 315046 in words is "three hundred fifteen thousand, forty-six".