513432620 has 12 divisors (see below), whose sum is σ = 1078208544. Its totient is φ = 205373040.

The previous prime is 513432587. The next prime is 513432631. The reversal of 513432620 is 26234315.

It is a super-2 number, since 2×513432620² = 527226110560128800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513432620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835796 + ... + 12835835.

It is an arithmetic number, because the mean of its divisors is an integer number (89850712).

Almost surely, 2^513432620 is an apocalyptic number.

It is an amenable number.

513432620 is an abundant number, since it is smaller than the sum of its proper divisors (564775924).

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

513432620 is a wasteful number, since it uses less digits than its factorization.

513432620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25671640 (or 25671638 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513432620 is about 22659.0516129868. The cubic root of 513432620 is about 800.7454613934.

Adding to 513432620 its reverse (26234315), we get a palindrome (539666935).

The spelling of 513432620 in words is "five hundred thirteen million, four hundred thirty-two thousand, six hundred twenty".