1042523 has 2 divisors, whose sum is σ = 1042524. Its totient is φ = 1042522.

The previous prime is 1042519. The next prime is 1042529. The reversal of 1042523 is 3252401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042523 - 2² = 1042519 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042529) 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, 521261 + 521262.

It is an arithmetic number, because the mean of its divisors is an integer number (521262).

2^1042523 is an apocalyptic number.

1042523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042523 is an equidigital number, since it uses as much as digits as its factorization.

1042523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1042523 is about 1021.0401559194. The cubic root of 1042523 is about 101.3978037434.

Adding to 1042523 its reverse (3252401), we get a palindrome (4294924).

The spelling of 1042523 in words is "one million, forty-two thousand, five hundred twenty-three".