511025 has 6 divisors (see below), whose sum is σ = 633702. Its totient is φ = 408800.

The previous prime is 511019. The next prime is 511033. The reversal of 511025 is 520115.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 418609 = 304^2 + 647^2 .

It is not a de Polignac number, because 511025 - 2¹² = 506929 is a prime.

It is a super-2 number, since 2×511025² = 522293101250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10196 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (105617).

2⁵¹¹⁰²⁵ is an apocalyptic number.

It is an amenable number.

511025 is a deficient number, since it is larger than the sum of its proper divisors (122677).

511025 is a wasteful number, since it uses less digits than its factorization.

511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451 (or 20446 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 511025 is about 714.8601261785. The cubic root of 511025 is about 79.9491864817.

The spelling of 511025 in words is "five hundred eleven thousand, twenty-five".