1053905 has 16 divisors (see below), whose sum is σ = 1333584. Its totient is φ = 798720.

The previous prime is 1053863. The next prime is 1053953. The reversal of 1053905 is 5093501.

It can be written as a sum of positive squares in 8 ways, for example, as 71824 + 982081 = 268^2 + 991^2 .

It is not a de Polignac number, because 1053905 - 2¹⁰ = 1052881 is a prime.

It is a super-2 number, since 2×1053905² = 2221431498050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10817 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (83349).

2^1053905 is an apocalyptic number.

It is an amenable number.

1053905 is a deficient number, since it is larger than the sum of its proper divisors (279679).

1053905 is an equidigital number, since it uses as much as digits as its factorization.

1053905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1053905 is about 1026.5987531650. The cubic root of 1053905 is about 101.7654806840.

The spelling of 1053905 in words is "one million, fifty-three thousand, nine hundred five".