1061643315 has 32 divisors (see below), whose sum is σ = 1774586880. Its totient is φ = 540949376.

The previous prime is 1061643301. The next prime is 1061643347. The reversal of 1061643315 is 5133461601.

It is a cyclic number.

It is not a de Polignac number, because 1061643315 - 2⁵ = 1061643283 is a prime.

It is a super-2 number, since 2×1061643315² = 2254173056568378450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453889 + ... + 456221.

It is an arithmetic number, because the mean of its divisors is an integer number (55455840).

Almost surely, 2^1061643315 is an apocalyptic number.

1061643315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1061643315 is a deficient number, since it is larger than the sum of its proper divisors (712943565).

1061643315 is a wasteful number, since it uses less digits than its factorization.

1061643315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1061643315 is about 32582.8684280559. The cubic root of 1061643315 is about 1020.1394513298.

The spelling of 1061643315 in words is "one billion, sixty-one million, six hundred forty-three thousand, three hundred fifteen".