511304412 has 24 divisors (see below), whose sum is σ = 1200647056. Its totient is φ = 169348608.

The previous prime is 511304389. The next prime is 511304419. The reversal of 511304412 is 214403115.

It is a super-2 number, since 2×511304412² = 522864403461331488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511304419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133813 + ... + 137580.

Almost surely, 2^511304412 is an apocalyptic number.

It is an amenable number.

511304412 is an abundant number, since it is smaller than the sum of its proper divisors (689342644).

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

511304412 is a wasteful number, since it uses less digits than its factorization.

511304412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271557 (or 271555 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 511304412 is about 22612.0413054638. The cubic root of 511304412 is about 799.6375503960.

Adding to 511304412 its reverse (214403115), we get a palindrome (725707527).

The spelling of 511304412 in words is "five hundred eleven million, three hundred four thousand, four hundred twelve".