1053269581 has 16 divisors (see below), whose sum is σ = 1305673600. Its totient is φ = 827350848.

The previous prime is 1053269557. The next prime is 1053269597. The reversal of 1053269581 is 1859623501.

It is a cyclic number.

It is not a de Polignac number, because 1053269581 - 2⁷ = 1053269453 is a prime.

It is a super-2 number, since 2×1053269581² = 2218753620519831122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053269381) 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 15 ways as a sum of consecutive naturals, for example, 28986 + ... + 54283.

It is an arithmetic number, because the mean of its divisors is an integer number (81604600).

Almost surely, 2^1053269581 is an apocalyptic number.

It is an amenable number.

1053269581 is a deficient number, since it is larger than the sum of its proper divisors (252404019).

1053269581 is a wasteful number, since it uses less digits than its factorization.

1053269581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83428.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1053269581 is about 32454.1150087319. The cubic root of 1053269581 is about 1017.4502446960.

The spelling of 1053269581 in words is "one billion, fifty-three million, two hundred sixty-nine thousand, five hundred eighty-one".