5129811 has 10 divisors (see below), whose sum is σ = 7663172. Its totient is φ = 3419820.

The previous prime is 5129809. The next prime is 5129819. The reversal of 5129811 is 1189215.

It is not a de Polignac number, because 5129811 - 2¹ = 5129809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5129819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31585 + ... + 31746.

Almost surely, 2^5129811 is an apocalyptic number.

5129811 is a deficient number, since it is larger than the sum of its proper divisors (2533361).

5129811 is an equidigital number, since it uses as much as digits as its factorization.

5129811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63343 (or 63334 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 5129811 is about 2264.9086074277. The cubic root of 5129811 is about 172.4647943276.

The spelling of 5129811 in words is "five million, one hundred twenty-nine thousand, eight hundred eleven".