513620034 has 16 divisors (see below), whose sum is σ = 1027503840. Its totient is φ = 171162720.

The previous prime is 513620033. The next prime is 513620039. The reversal of 513620034 is 430026315.

It is a happy number.

It is a super-2 number, since 2×513620034² = 527611078652322312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513619986 and 513620013.

It is not an unprimeable number, because it can be changed into a prime (513620033) 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, 21894 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (64218990).

Almost surely, 2^513620034 is an apocalyptic number.

513620034 is an abundant number, since it is smaller than the sum of its proper divisors (513883806).

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

513620034 is a wasteful number, since it uses less digits than its factorization.

513620034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 513620034 is about 22663.1867573826. The cubic root of 513620034 is about 800.8428793395.

Adding to 513620034 its reverse (430026315), we get a palindrome (943646349).

The spelling of 513620034 in words is "five hundred thirteen million, six hundred twenty thousand, thirty-four".