511776532 has 6 divisors (see below), whose sum is σ = 895608938. Its totient is φ = 255888264.

The previous prime is 511776509. The next prime is 511776539. The reversal of 511776532 is 235677115.

It can be written as a sum of positive squares in only one way, i.e., 370023696 + 141752836 = 19236^2 + 11906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 511776491 and 511776500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511776539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63972063 + ... + 63972070.

Almost surely, 2^511776532 is an apocalyptic number.

It is an amenable number.

511776532 is a deficient number, since it is larger than the sum of its proper divisors (383832406).

511776532 is a wasteful number, since it uses less digits than its factorization.

511776532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127944137 (or 127944135 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 511776532 is about 22622.4784672237. The cubic root of 511776532 is about 799.8835934794.

The spelling of 511776532 in words is "five hundred eleven million, seven hundred seventy-six thousand, five hundred thirty-two".