4056513 has 4 divisors (see below), whose sum is σ = 5408688. Its totient is φ = 2704340.

The previous prime is 4056509. The next prime is 4056517. The reversal of 4056513 is 3156504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4056509) and next prime (4056517).

It is a cyclic number.

It is not a de Polignac number, because 4056513 - 2² = 4056509 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4056517) 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, 676083 + ... + 676088.

It is an arithmetic number, because the mean of its divisors is an integer number (1352172).

Almost surely, 2^4056513 is an apocalyptic number.

It is an amenable number.

4056513 is a deficient number, since it is larger than the sum of its proper divisors (1352175).

4056513 is a wasteful number, since it uses less digits than its factorization.

4056513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352174.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 4056513 is about 2014.0786975687. The cubic root of 4056513 is about 159.4841852357.

Subtracting from 4056513 its reverse (3156504), we obtain a palindrome (900009).

The spelling of 4056513 in words is "four million, fifty-six thousand, five hundred thirteen".