511017252 has 24 divisors (see below), whose sum is σ = 1211922432. Its totient is φ = 167546400.

The previous prime is 511017187. The next prime is 511017257. The reversal of 511017252 is 252710115.

It is a super-2 number, since 2×511017252² = 522277263683263008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511017257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348324 + ... + 349787.

It is an arithmetic number, because the mean of its divisors is an integer number (50496768).

Almost surely, 2^511017252 is an apocalyptic number.

It is an amenable number.

511017252 is an abundant number, since it is smaller than the sum of its proper divisors (700905180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511017252 is a wasteful number, since it uses less digits than its factorization.

511017252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698179 (or 698177 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 511017252 is about 22605.6906994677. The cubic root of 511017252 is about 799.4878242483.

Adding to 511017252 its reverse (252710115), we get a palindrome (763727367).

The spelling of 511017252 in words is "five hundred eleven million, seventeen thousand, two hundred fifty-two".