5135811 has 4 divisors (see below), whose sum is σ = 6847752. Its totient is φ = 3423872.

The previous prime is 5135807. The next prime is 5135839. The reversal of 5135811 is 1185315.

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 5135811 - 2² = 5135807 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5136811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855966 + ... + 855971.

It is an arithmetic number, because the mean of its divisors is an integer number (1711938).

Almost surely, 2^5135811 is an apocalyptic number.

5135811 is a deficient number, since it is larger than the sum of its proper divisors (1711941).

5135811 is a wasteful number, since it uses less digits than its factorization.

5135811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711940.

The product of its digits is 600, while the sum is 24.

The square root of 5135811 is about 2266.2327770995. The cubic root of 5135811 is about 172.5320083430.

The spelling of 5135811 in words is "five million, one hundred thirty-five thousand, eight hundred eleven".