1061521473 has 8 divisors (see below), whose sum is σ = 1418558688. Its totient is φ = 706082624.

The previous prime is 1061521459. The next prime is 1061521493. The reversal of 1061521473 is 3741251601.

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 1061521473 - 2⁴ = 1061521457 is a prime.

It is a super-2 number, since 2×1061521473² = 2253655675280179458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061521473.

It is not an unprimeable number, because it can be changed into a prime (1061521493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398040 + ... + 400697.

It is an arithmetic number, because the mean of its divisors is an integer number (177319836).

Almost surely, 2^1061521473 is an apocalyptic number.

It is an amenable number.

1061521473 is a deficient number, since it is larger than the sum of its proper divisors (357037215).

1061521473 is an equidigital number, since it uses as much as digits as its factorization.

1061521473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799183.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1061521473 is about 32580.9986495196. The cubic root of 1061521473 is about 1020.1004235996.

The spelling of 1061521473 in words is "one billion, sixty-one million, five hundred twenty-one thousand, four hundred seventy-three".