1488561 has 4 divisors (see below), whose sum is σ = 1984752. Its totient is φ = 992372.

The previous prime is 1488559. The next prime is 1488563. The reversal of 1488561 is 1658841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1488559) and next prime (1488563).

It is a cyclic number.

It is not a de Polignac number, because 1488561 - 2¹ = 1488559 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1488563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248091 + ... + 248096.

It is an arithmetic number, because the mean of its divisors is an integer number (496188).

2^1488561 is an apocalyptic number.

It is an amenable number.

1488561 is a deficient number, since it is larger than the sum of its proper divisors (496191).

1488561 is an equidigital number, since it uses as much as digits as its factorization.

1488561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496190.

The product of its digits is 7680, while the sum is 33.

The square root of 1488561 is about 1220.0659818223. The cubic root of 1488561 is about 114.1796950577.

The spelling of 1488561 in words is "one million, four hundred eighty-eight thousand, five hundred sixty-one".