4020513 has 8 divisors (see below), whose sum is σ = 6126528. Its totient is φ = 2297424.

The previous prime is 4020503. The next prime is 4020529. The reversal of 4020513 is 3150204.

4020513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4020513 - 2⁸ = 4020257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4020492 and 4020501.

It is not an unprimeable number, because it can be changed into a prime (4020503) 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 in 7 ways as a sum of consecutive naturals, for example, 95706 + ... + 95747.

It is an arithmetic number, because the mean of its divisors is an integer number (765816).

Almost surely, 2^4020513 is an apocalyptic number.

It is an amenable number.

4020513 is a deficient number, since it is larger than the sum of its proper divisors (2106015).

4020513 is a wasteful number, since it uses less digits than its factorization.

4020513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191463.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 4020513 is about 2005.1216920676. The cubic root of 4020513 is about 159.0109956400.

Adding to 4020513 its reverse (3150204), we get a palindrome (7170717).

The spelling of 4020513 in words is "four million, twenty thousand, five hundred thirteen".