6149513 has 4 divisors (see below), whose sum is σ = 6154500. Its totient is φ = 6144528.

The previous prime is 6149503. The next prime is 6149543. The reversal of 6149513 is 3159416.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 3433609 = 1648^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 6149513 - 2⁴ = 6149497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6149503) 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, 863 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (1538625).

Almost surely, 2^6149513 is an apocalyptic number.

It is an amenable number.

6149513 is a deficient number, since it is larger than the sum of its proper divisors (4987).

6149513 is a wasteful number, since it uses less digits than its factorization.

6149513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its digits is 3240, while the sum is 29.

The square root of 6149513 is about 2479.8211629067. The cubic root of 6149513 is about 183.2090437651.

The spelling of 6149513 in words is "six million, one hundred forty-nine thousand, five hundred thirteen".