315402 has 8 divisors (see below), whose sum is σ = 630816. Its totient is φ = 105132.

The previous prime is 315389. The next prime is 315407. The reversal of 315402 is 204513.

315402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

315402 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315402.

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, 26278 + ... + 26289.

It is an arithmetic number, because the mean of its divisors is an integer number (78852).

2³¹⁵⁴⁰² is an apocalyptic number.

315402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315402 is a wasteful number, since it uses less digits than its factorization.

315402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52572.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 315402 is about 561.6066238926. The cubic root of 315402 is about 68.0698532473.

Adding to 315402 its reverse (204513), we get a palindrome (519915).

Subtracting from 315402 its reverse (204513), we obtain a square (110889 = 333²).

It can be divided in two parts, 315 and 402, that added together give a palindrome (717).

The spelling of 315402 in words is "three hundred fifteen thousand, four hundred two".