2428513 has 4 divisors (see below), whose sum is σ = 2474388. Its totient is φ = 2382640.

The previous prime is 2428487. The next prime is 2428529. The reversal of 2428513 is 3158242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 214369 = 1488^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428513 - 2¹³ = 2420321 is a prime.

It is a Duffinian number.

2428513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2428213) 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, 22858 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (618597).

2^2428513 is an apocalyptic number.

It is an amenable number.

2428513 is a deficient number, since it is larger than the sum of its proper divisors (45875).

2428513 is an equidigital number, since it uses as much as digits as its factorization.

2428513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45874.

The product of its digits is 1920, while the sum is 25.

The square root of 2428513 is about 1558.3686983509. The cubic root of 2428513 is about 134.4147135547.

The spelling of 2428513 in words is "two million, four hundred twenty-eight thousand, five hundred thirteen".