2428529 has 2 divisors, whose sum is σ = 2428530. Its totient is φ = 2428528.

The previous prime is 2428487. The next prime is 2428541. The reversal of 2428529 is 9258242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 600625 = 1352^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428529 - 2²⁰ = 1379953 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2428495 and 2428504.

It is not a weakly prime, because it can be changed into another prime (2428729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214264 + 1214265.

It is an arithmetic number, because the mean of its divisors is an integer number (1214265).

2^2428529 is an apocalyptic number.

It is an amenable number.

2428529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428529 is an equidigital number, since it uses as much as digits as its factorization.

2428529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 2428529 is about 1558.3738319158. The cubic root of 2428529 is about 134.4150087464.

The spelling of 2428529 in words is "two million, four hundred twenty-eight thousand, five hundred twenty-nine".