5191513 has 2 divisors, whose sum is σ = 5191514. Its totient is φ = 5191512.

The previous prime is 5191489. The next prime is 5191597. The reversal of 5191513 is 3151915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4963984 + 227529 = 2228^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191513 - 2⁵ = 5191481 is a prime.

It is not a weakly prime, because it can be changed into another prime (5191013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595756 + 2595757.

It is an arithmetic number, because the mean of its divisors is an integer number (2595757).

Almost surely, 2^5191513 is an apocalyptic number.

It is an amenable number.

5191513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191513 is an equidigital number, since it uses as much as digits as its factorization.

5191513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675, while the sum is 25.

The square root of 5191513 is about 2278.4891924255. The cubic root of 5191513 is about 173.1535162661.

The spelling of 5191513 in words is "five million, one hundred ninety-one thousand, five hundred thirteen".