513553012 has 24 divisors (see below), whose sum is σ = 1034953920. Its totient is φ = 218412480.

The previous prime is 513552989. The next prime is 513553013. The reversal of 513553012 is 210355315.

It is a super-2 number, since 2×513553012² = 527473392268544288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513553013) 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, 66337 + ... + 73672.

It is an arithmetic number, because the mean of its divisors is an integer number (43123080).

Almost surely, 2^513553012 is an apocalyptic number.

It is an amenable number.

513553012 is an abundant number, since it is smaller than the sum of its proper divisors (521400908).

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

513553012 is a wasteful number, since it uses less digits than its factorization.

513553012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140151 (or 140149 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 513553012 is about 22661.7080556608. The cubic root of 513553012 is about 800.8080439730.

The spelling of 513553012 in words is "five hundred thirteen million, five hundred fifty-three thousand, twelve".