1002523 has 2 divisors, whose sum is σ = 1002524. Its totient is φ = 1002522.

The previous prime is 1002517. The next prime is 1002527. The reversal of 1002523 is 3252001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002523 is a prime.

1002523 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1002527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501261 + 501262.

It is an arithmetic number, because the mean of its divisors is an integer number (501262).

2^1002523 is an apocalyptic number.

1002523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002523 is an equidigital number, since it uses as much as digits as its factorization.

1002523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1002523 is about 1001.2607053111. The cubic root of 1002523 is about 100.0840293709.

Adding to 1002523 its reverse (3252001), we get a palindrome (4254524).

The spelling of 1002523 in words is "one million, two thousand, five hundred twenty-three".