511705532 has 48 divisors (see below), whose sum is σ = 985125792. Its totient is φ = 231137280.

The previous prime is 511705529. The next prime is 511705553. The reversal of 511705532 is 235507115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 511705495 and 511705504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672032 + ... + 672792.

It is an arithmetic number, because the mean of its divisors is an integer number (20523454).

Almost surely, 2^511705532 is an apocalyptic number.

511705532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

511705532 is a deficient number, since it is larger than the sum of its proper divisors (473420260).

511705532 is a wasteful number, since it uses less digits than its factorization.

511705532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 511705532 is about 22620.9091771308. The cubic root of 511705532 is about 799.8466018381.

The spelling of 511705532 in words is "five hundred eleven million, seven hundred five thousand, five hundred thirty-two".