1330534 has 4 divisors (see below), whose sum is σ = 1995804. Its totient is φ = 665266.

The previous prime is 1330529. The next prime is 1330541. The reversal of 1330534 is 4350331.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332632 + ... + 332635.

It is an arithmetic number, because the mean of its divisors is an integer number (498951).

2^1330534 is an apocalyptic number.

1330534 is a deficient number, since it is larger than the sum of its proper divisors (665270).

1330534 is an equidigital number, since it uses as much as digits as its factorization.

1330534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665269.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1330534 is about 1153.4877545947. The cubic root of 1330534 is about 109.9871610360.

Adding to 1330534 its reverse (4350331), we get a palindrome (5680865).

The spelling of 1330534 in words is "one million, three hundred thirty thousand, five hundred thirty-four".