511298 has 4 divisors (see below), whose sum is σ = 766950. Its totient is φ = 255648.

The previous prime is 511297. The next prime is 511327. The reversal of 511298 is 892115.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 499849 + 11449 = 707^2 + 107^2 .

It is a super-2 number, since 2×511298² = 522851289608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127823 + ... + 127826.

2⁵¹¹²⁹⁸ is an apocalyptic number.

511298 is a deficient number, since it is larger than the sum of its proper divisors (255652).

511298 is a wasteful number, since it uses less digits than its factorization.

511298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255651.

The product of its digits is 720, while the sum is 26.

The square root of 511298 is about 715.0510471288. The cubic root of 511298 is about 79.9634207771.

The spelling of 511298 in words is "five hundred eleven thousand, two hundred ninety-eight".