513500011 has 8 divisors (see below), whose sum is σ = 548986464. Its totient is φ = 478600320.

The previous prime is 513499999. The next prime is 513500017. The reversal of 513500011 is 110005315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513500011 - 2²⁵ = 479945579 is a prime.

It is a super-2 number, since 2×513500011² = 527364522594000242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513500017) 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, 144880 + ... + 148381.

It is an arithmetic number, because the mean of its divisors is an integer number (68623308).

Almost surely, 2^513500011 is an apocalyptic number.

513500011 is a deficient number, since it is larger than the sum of its proper divisors (35486453).

513500011 is a wasteful number, since it uses less digits than its factorization.

513500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293381.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 513500011 is about 22660.5386299620. The cubic root of 513500011 is about 800.7804940179.

Adding to 513500011 its reverse (110005315), we get a palindrome (623505326).

The spelling of 513500011 in words is "five hundred thirteen million, five hundred thousand, eleven".