513874228 has 48 divisors (see below), whose sum is σ = 1116774400. Its totient is φ = 201903840.

The previous prime is 513874219. The next prime is 513874237. The reversal of 513874228 is 822478315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (513874219) and next prime (513874237).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913 + ... + 32071.

Almost surely, 2^513874228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513874228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558387200).

513874228 is an abundant number, since it is smaller than the sum of its proper divisors (602900172).

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

513874228 is a wasteful number, since it uses less digits than its factorization.

513874228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220 (or 31218 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 513874228 is about 22668.7941452562. The cubic root of 513874228 is about 800.9749717216.

The spelling of 513874228 in words is "five hundred thirteen million, eight hundred seventy-four thousand, two hundred twenty-eight".