1530953209 has 16 divisors (see below), whose sum is σ = 1638134784. Its totient is φ = 1427302800.

The previous prime is 1530953201. The next prime is 1530953219. The reversal of 1530953209 is 9023590351.

It is a cyclic number.

It is not a de Polignac number, because 1530953209 - 2³ = 1530953201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530953201) 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, 563364 + ... + 566074.

It is an arithmetic number, because the mean of its divisors is an integer number (102383424).

Almost surely, 2^1530953209 is an apocalyptic number.

It is an amenable number.

1530953209 is a deficient number, since it is larger than the sum of its proper divisors (107181575).

1530953209 is a wasteful number, since it uses less digits than its factorization.

1530953209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 1530953209 is about 39127.3971661801. The cubic root of 1530953209 is about 1152.5346009378.

The spelling of 1530953209 in words is "one billion, five hundred thirty million, nine hundred fifty-three thousand, two hundred nine".