312454 has 4 divisors (see below), whose sum is σ = 468684. Its totient is φ = 156226.

The previous prime is 312451. The next prime is 312469. The reversal of 312454 is 454213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78112 + ... + 78115.

It is an arithmetic number, because the mean of its divisors is an integer number (117171).

2³¹²⁴⁵⁴ is an apocalyptic number.

312454 is a deficient number, since it is larger than the sum of its proper divisors (156230).

312454 is a wasteful number, since it uses less digits than its factorization.

312454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156229.

The product of its digits is 480, while the sum is 19.

The square root of 312454 is about 558.9758492100. The cubic root of 312454 is about 67.8571105659.

Adding to 312454 its reverse (454213), we get a palindrome (766667).

It can be divided in two parts, 31 and 2454, that added together give a triangular number (2485 = T₇₀).

The spelling of 312454 in words is "three hundred twelve thousand, four hundred fifty-four".