2428249 has 2 divisors, whose sum is σ = 2428250. Its totient is φ = 2428248.

The previous prime is 2428243. The next prime is 2428259. The reversal of 2428249 is 9428242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 81225 = 1532^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428249 - 2³ = 2428241 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 4⁸ + 2¹¹ + 8³ + 2²¹ + 4⁹ + 9³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2428249.

It is not a weakly prime, because it can be changed into another prime (2428241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214124 + 1214125.

It is an arithmetic number, because the mean of its divisors is an integer number (1214125).

2^2428249 is an apocalyptic number.

It is an amenable number.

2428249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428249 is an equidigital number, since it uses as much as digits as its factorization.

2428249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 2428249 is about 1558.2839920887. The cubic root of 2428249 is about 134.4098427044.

The spelling of 2428249 in words is "two million, four hundred twenty-eight thousand, two hundred forty-nine".