1066205253 has 8 divisors (see below), whose sum is σ = 1454667808. Its totient is φ = 694273104.

The previous prime is 1066205243. The next prime is 1066205299. The reversal of 1066205253 is 3525026601.

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

It is not a de Polignac number, because 1066205253 - 2¹⁰ = 1066204229 is a prime.

It is a super-2 number, since 2×1066205253² = 2273587283049588018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066205253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066205243) 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, 4132450 + ... + 4132707.

It is an arithmetic number, because the mean of its divisors is an integer number (181833476).

Almost surely, 2^1066205253 is an apocalyptic number.

It is an amenable number.

1066205253 is a deficient number, since it is larger than the sum of its proper divisors (388462555).

1066205253 is an equidigital number, since it uses as much as digits as its factorization.

1066205253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265203.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1066205253 is about 32652.7985477508. The cubic root of 1066205253 is about 1021.5985612575.

The spelling of 1066205253 in words is "one billion, sixty-six million, two hundred five thousand, two hundred fifty-three".