1530049 has 4 divisors (see below), whose sum is σ = 1545300. Its totient is φ = 1514800.

The previous prime is 1530037. The next prime is 1530071. The reversal of 1530049 is 9400351.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 219024 = 1145^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530049 - 2⁹ = 1529537 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1530019) 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, 7474 + ... + 7675.

It is an arithmetic number, because the mean of its divisors is an integer number (386325).

2^1530049 is an apocalyptic number.

It is an amenable number.

1530049 is a deficient number, since it is larger than the sum of its proper divisors (15251).

1530049 is a wasteful number, since it uses less digits than its factorization.

1530049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1530049 is about 1236.9514946028. The cubic root of 1530049 is about 115.2307653572.

It can be divided in two parts, 15300 and 49, that multiplied together give a triangular number (749700 = T₁₂₂₄).

The spelling of 1530049 in words is "one million, five hundred thirty thousand, forty-nine".