512495 has 4 divisors (see below), whose sum is σ = 615000. Its totient is φ = 409992.

The previous prime is 512467. The next prime is 512497. The reversal of 512495 is 594215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594215 = 5 ⋅118843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512495 is a prime.

It is a super-2 number, since 2×512495² = 525302250050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512497) 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, 51245 + ... + 51254.

It is an arithmetic number, because the mean of its divisors is an integer number (153750).

2⁵¹²⁴⁹⁵ is an apocalyptic number.

512495 is a deficient number, since it is larger than the sum of its proper divisors (102505).

512495 is a wasteful number, since it uses less digits than its factorization.

512495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102504.

The product of its digits is 1800, while the sum is 26.

The square root of 512495 is about 715.8875610038. The cubic root of 512495 is about 80.0257729460.

The spelling of 512495 in words is "five hundred twelve thousand, four hundred ninety-five".