511028103 has 4 divisors (see below), whose sum is σ = 681370808. Its totient is φ = 340685400.

The previous prime is 511028083. The next prime is 511028117. The reversal of 511028103 is 301820115.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 511028103 - 2⁵ = 511028071 is a prime.

It is a super-2 number, since 2×511028103² = 522299444111557218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 511028103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511028153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85171348 + ... + 85171353.

It is an arithmetic number, because the mean of its divisors is an integer number (170342702).

Almost surely, 2^511028103 is an apocalyptic number.

511028103 is a deficient number, since it is larger than the sum of its proper divisors (170342705).

511028103 is a wasteful number, since it uses less digits than its factorization.

511028103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170342704.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 511028103 is about 22605.9307041316. The cubic root of 511028103 is about 799.4934830142.

Adding to 511028103 its reverse (301820115), we get a palindrome (812848218).

The spelling of 511028103 in words is "five hundred eleven million, twenty-eight thousand, one hundred three".