512158 has 4 divisors (see below), whose sum is σ = 768240. Its totient is φ = 256078.

The previous prime is 512147. The next prime is 512167. The reversal of 512158 is 851215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851215 = 5 ⋅170243.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128038 + ... + 128041.

It is an arithmetic number, because the mean of its divisors is an integer number (192060).

2⁵¹²¹⁵⁸ is an apocalyptic number.

512158 is a deficient number, since it is larger than the sum of its proper divisors (256082).

512158 is a wasteful number, since it uses less digits than its factorization.

512158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256081.

The product of its digits is 400, while the sum is 22.

The square root of 512158 is about 715.6521501400. The cubic root of 512158 is about 80.0082283203.

It can be divided in two parts, 51 and 2158, that added together give a square (2209 = 47²).

The spelling of 512158 in words is "five hundred twelve thousand, one hundred fifty-eight".