1424557 has 2 divisors, whose sum is σ = 1424558. Its totient is φ = 1424556.

The previous prime is 1424539. The next prime is 1424561. The reversal of 1424557 is 7554241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 491401 = 966^2 + 701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712278 + 712279.

It is an arithmetic number, because the mean of its divisors is an integer number (712279).

2^1424557 is an apocalyptic number.

It is an amenable number.

1424557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424557 is an equidigital number, since it uses as much as digits as its factorization.

1424557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 28.

The square root of 1424557 is about 1193.5480719267. The cubic root of 1424557 is about 112.5191934331.

Adding to 1424557 its reverse (7554241), we get a palindrome (8978798).

The spelling of 1424557 in words is "one million, four hundred twenty-four thousand, five hundred fifty-seven".