511772 has 12 divisors (see below), whose sum is σ = 905520. Its totient is φ = 253056.

The previous prime is 511757. The next prime is 511787. The reversal of 511772 is 277115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (511757) and next prime (511787).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

511772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (75460).

2⁵¹¹⁷⁷² is an apocalyptic number.

It is an amenable number.

511772 is a deficient number, since it is larger than the sum of its proper divisors (393748).

511772 is a wasteful number, since it uses less digits than its factorization.

511772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1418 counting only the distinct ones).

The product of its digits is 490, while the sum is 23.

The square root of 511772 is about 715.3824152158. The cubic root of 511772 is about 79.9881232369.

Adding to 511772 its reverse (277115), we get a palindrome (788887).

The spelling of 511772 in words is "five hundred eleven thousand, seven hundred seventy-two".