513020435 has 4 divisors (see below), whose sum is σ = 615624528. Its totient is φ = 410416344.

The previous prime is 513020393. The next prime is 513020467. The reversal of 513020435 is 534020315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513020435 - 2¹⁸ = 512758291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513020435.

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, 51302039 + ... + 51302048.

It is an arithmetic number, because the mean of its divisors is an integer number (153906132).

Almost surely, 2^513020435 is an apocalyptic number.

513020435 is a deficient number, since it is larger than the sum of its proper divisors (102604093).

513020435 is a wasteful number, since it uses less digits than its factorization.

513020435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102604092.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 513020435 is about 22649.9544149652. The cubic root of 513020435 is about 800.5311238688.

The spelling of 513020435 in words is "five hundred thirteen million, twenty thousand, four hundred thirty-five".