4049513 has 8 divisors (see below), whose sum is σ = 4387656. Its totient is φ = 3715200.

The previous prime is 4049497. The next prime is 4049533. The reversal of 4049513 is 3159404.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 4048144 = 37^2 + 2012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4049513 - 2⁴ = 4049497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4049533) 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 7 ways as a sum of consecutive naturals, for example, 1493 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (548457).

Almost surely, 2^4049513 is an apocalyptic number.

It is an amenable number.

4049513 is a deficient number, since it is larger than the sum of its proper divisors (338143).

4049513 is a wasteful number, since it uses less digits than its factorization.

4049513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4049513 is about 2012.3401799895. The cubic root of 4049513 is about 159.3923960506.

The spelling of 4049513 in words is "four million, forty-nine thousand, five hundred thirteen".