513228798 has 40 divisors (see below), whose sum is σ = 1210546920. Its totient is φ = 162071280.

The previous prime is 513228769. The next prime is 513228799. The reversal of 513228798 is 897822315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513228799) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80293 + ... + 86448.

It is an arithmetic number, because the mean of its divisors is an integer number (30263673).

Almost surely, 2^513228798 is an apocalyptic number.

513228798 is an abundant number, since it is smaller than the sum of its proper divisors (697318122).

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

513228798 is a wasteful number, since it uses less digits than its factorization.

513228798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166774 (or 166765 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 513228798 is about 22654.5535820064. The cubic root of 513228798 is about 800.6394876416.

It can be divided in two parts, 5132 and 28798, that added together give a triangular number (33930 = T₂₆₀).

The spelling of 513228798 in words is "five hundred thirteen million, two hundred twenty-eight thousand, seven hundred ninety-eight".