1053564 has 12 divisors (see below), whose sum is σ = 2458344. Its totient is φ = 351184.

The previous prime is 1053557. The next prime is 1053571. The reversal of 1053564 is 4653501.

It is an interprime number because it is at equal distance from previous prime (1053557) and next prime (1053571).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1053564² = 2219994204192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43887 + ... + 43910.

It is an arithmetic number, because the mean of its divisors is an integer number (204862).

2^1053564 is an apocalyptic number.

It is an amenable number.

1053564 is an abundant number, since it is smaller than the sum of its proper divisors (1404780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053564 is a wasteful number, since it uses less digits than its factorization.

1053564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87804 (or 87802 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1053564 is about 1026.4326573137. The cubic root of 1053564 is about 101.7545038021.

The spelling of 1053564 in words is "one million, fifty-three thousand, five hundred sixty-four".