4128513 has 4 divisors (see below), whose sum is σ = 5504688. Its totient is φ = 2752340.

The previous prime is 4128511. The next prime is 4128517. The reversal of 4128513 is 3158214.

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 a cyclic number.

It is not a de Polignac number, because 4128513 - 2¹ = 4128511 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4128511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688083 + ... + 688088.

It is an arithmetic number, because the mean of its divisors is an integer number (1376172).

Almost surely, 2^4128513 is an apocalyptic number.

It is an amenable number.

4128513 is a deficient number, since it is larger than the sum of its proper divisors (1376175).

4128513 is a wasteful number, since it uses less digits than its factorization.

4128513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376174.

The product of its digits is 960, while the sum is 24.

The square root of 4128513 is about 2031.8742579205. The cubic root of 4128513 is about 160.4222311295.

Subtracting from 4128513 its reverse (3158214), we obtain a cube (970299 = 99³).

The spelling of 4128513 in words is "four million, one hundred twenty-eight thousand, five hundred thirteen".