513049011 has 4 divisors (see below), whose sum is σ = 684065352. Its totient is φ = 342032672.

The previous prime is 513049003. The next prime is 513049013. The reversal of 513049011 is 110940315.

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 513049011 - 2³ = 513049003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513049013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85508166 + ... + 85508171.

It is an arithmetic number, because the mean of its divisors is an integer number (171016338).

Almost surely, 2^513049011 is an apocalyptic number.

513049011 is a deficient number, since it is larger than the sum of its proper divisors (171016341).

513049011 is a wasteful number, since it uses less digits than its factorization.

513049011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171016340.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 513049011 is about 22650.5852242277. The cubic root of 513049011 is about 800.5459871836.

Adding to 513049011 its reverse (110940315), we get a palindrome (623989326).

The spelling of 513049011 in words is "five hundred thirteen million, forty-nine thousand, eleven".