1061532409 has 8 divisors (see below), whose sum is σ = 1265927040. Its totient is φ = 870324576.

The previous prime is 1061532397. The next prime is 1061532427. The reversal of 1061532409 is 9042351601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061532409 - 2⁹ = 1061531897 is a prime.

It is a super-2 number, since 2×1061532409² = 2253702110714686562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061532449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3296524 + ... + 3296845.

It is an arithmetic number, because the mean of its divisors is an integer number (158240880).

Almost surely, 2^1061532409 is an apocalyptic number.

It is an amenable number.

1061532409 is a deficient number, since it is larger than the sum of its proper divisors (204394631).

1061532409 is an equidigital number, since it uses as much as digits as its factorization.

1061532409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593399.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1061532409 is about 32581.1664769695. The cubic root of 1061532409 is about 1020.1039266784.

The spelling of 1061532409 in words is "one billion, sixty-one million, five hundred thirty-two thousand, four hundred nine".