1488521 has 4 divisors (see below), whose sum is σ = 1491012. Its totient is φ = 1486032.

The previous prime is 1488499. The next prime is 1488533. The reversal of 1488521 is 1258841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1258841 = 109 ⋅11549.

It can be written as a sum of positive squares in 2 ways, for example, as 1290496 + 198025 = 1136^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488521 - 2¹⁴ = 1472137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1488581) 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 in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (372753).

2^1488521 is an apocalyptic number.

It is an amenable number.

1488521 is a deficient number, since it is larger than the sum of its proper divisors (2491).

1488521 is an equidigital number, since it uses as much as digits as its factorization.

1488521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its digits is 2560, while the sum is 29.

The square root of 1488521 is about 1220.0495891561. The cubic root of 1488521 is about 114.1786723186.

Subtracting from 1488521 its product of digits (2560), we obtain a square (1485961 = 1219²).

The spelling of 1488521 in words is "one million, four hundred eighty-eight thousand, five hundred twenty-one".