1004523 has 16 divisors (see below), whose sum is σ = 1478400. Its totient is φ = 602784.

The previous prime is 1004501. The next prime is 1004527. The reversal of 1004523 is 3254001.

It is not a de Polignac number, because 1004523 - 2¹² = 1000427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1004523 is an apocalyptic number.

1004523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1004523 is a deficient number, since it is larger than the sum of its proper divisors (473877).

1004523 is a wasteful number, since it uses less digits than its factorization.

1004523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1004523 is about 1002.2589485757. The cubic root of 1004523 is about 100.1505399302.

Adding to 1004523 its reverse (3254001), we get a palindrome (4258524).

The spelling of 1004523 in words is "one million, four thousand, five hundred twenty-three".