2428457 has 2 divisors, whose sum is σ = 2428458. Its totient is φ = 2428456.

The previous prime is 2428453. The next prime is 2428487. The reversal of 2428457 is 7548242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2383936 + 44521 = 1544^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428457 - 2² = 2428453 is a prime.

It is not a weakly prime, because it can be changed into another prime (2428451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214228 + 1214229.

It is an arithmetic number, because the mean of its divisors is an integer number (1214229).

2^2428457 is an apocalyptic number.

It is an amenable number.

2428457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428457 is an equidigital number, since it uses as much as digits as its factorization.

2428457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 32.

The square root of 2428457 is about 1558.3507307407. The cubic root of 2428457 is about 134.4136803736.

The spelling of 2428457 in words is "two million, four hundred twenty-eight thousand, four hundred fifty-seven".