5131019 has 2 divisors, whose sum is σ = 5131020. Its totient is φ = 5131018.

The previous prime is 5131013. The next prime is 5131039. The reversal of 5131019 is 9101315.

It is an a-pointer prime, because the next prime (5131039) can be obtained adding 5131019 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5131019 is a prime.

It is a super-2 number, since 2×5131019² = 52654711956722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5131013) 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 as a sum of consecutive naturals, namely, 2565509 + 2565510.

It is an arithmetic number, because the mean of its divisors is an integer number (2565510).

Almost surely, 2^5131019 is an apocalyptic number.

5131019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131019 is an equidigital number, since it uses as much as digits as its factorization.

5131019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 5131019 is about 2265.1752691569. The cubic root of 5131019 is about 172.4783309615.

The spelling of 5131019 in words is "five million, one hundred thirty-one thousand, nineteen".