513236672 has 28 divisors (see below), whose sum is σ = 1096798416. Its totient is φ = 236878080.

The previous prime is 513236671. The next prime is 513236677. The reversal of 513236672 is 276632315.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (513236671) 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, 307604 + ... + 309267.

It is an arithmetic number, because the mean of its divisors is an integer number (39171372).

Almost surely, 2^513236672 is an apocalyptic number.

513236672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513236672 is an abundant number, since it is smaller than the sum of its proper divisors (583561744).

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

513236672 is a wasteful number, since it uses less digits than its factorization.

513236672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616896 (or 616886 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 513236672 is about 22654.7273653867. The cubic root of 513236672 is about 800.6435821137.

Adding to 513236672 its reverse (276632315), we get a palindrome (789868987).

The spelling of 513236672 in words is "five hundred thirteen million, two hundred thirty-six thousand, six hundred seventy-two".