511241 has 12 divisors (see below), whose sum is σ = 571020. Its totient is φ = 456960.

The previous prime is 511237. The next prime is 511243. The reversal of 511241 is 142115.

It can be written as a sum of positive squares in 6 ways, for example, as 16 + 511225 = 4^2 + 715^2 .

It is not a de Polignac number, because 511241 - 2² = 511237 is a prime.

It is a super-4 number, since 4×511241⁴ (a number of 24 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8351 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (47585).

2⁵¹¹²⁴¹ is an apocalyptic number.

It is an amenable number.

511241 is a deficient number, since it is larger than the sum of its proper divisors (59779).

511241 is a wasteful number, since it uses less digits than its factorization.

511241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 107 counting only the distinct ones).

The product of its digits is 40, while the sum is 14.

The square root of 511241 is about 715.0111887236. The cubic root of 511241 is about 79.9604491999.

Adding to 511241 its reverse (142115), we get a palindrome (653356).

The spelling of 511241 in words is "five hundred eleven thousand, two hundred forty-one".