513443030 has 32 divisors (see below), whose sum is σ = 966276864. Its totient is φ = 196061536.

The previous prime is 513442997. The next prime is 513443059. The reversal of 513443030 is 30344315.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513442987 and 513443005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133109 + ... + 136911.

It is an arithmetic number, because the mean of its divisors is an integer number (30196152).

Almost surely, 2^513443030 is an apocalyptic number.

513443030 is a deficient number, since it is larger than the sum of its proper divisors (452833834).

513443030 is a wasteful number, since it uses less digits than its factorization.

513443030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 513443030 is about 22659.2813213482. The cubic root of 513443030 is about 800.7508731414.

Adding to 513443030 its reverse (30344315), we get a palindrome (543787345).

The spelling of 513443030 in words is "five hundred thirteen million, four hundred forty-three thousand, thirty".