511213104 has 30 divisors (see below), whose sum is σ = 1430687076. Its totient is φ = 170404320.

The previous prime is 511213099. The next prime is 511213117. The reversal of 511213104 is 401312115.

It is a super-2 number, since 2×511213104² = 522677675402629632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1774902 + ... + 1775189.

Almost surely, 2^511213104 is an apocalyptic number.

It is an amenable number.

511213104 is an abundant number, since it is smaller than the sum of its proper divisors (919473972).

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

511213104 is a wasteful number, since it uses less digits than its factorization.

511213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550105 (or 3550096 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 511213104 is about 22610.0222025543. The cubic root of 511213104 is about 799.5899481911.

Adding to 511213104 its reverse (401312115), we get a palindrome (912525219).

The spelling of 511213104 in words is "five hundred eleven million, two hundred thirteen thousand, one hundred four".