1053385 has 8 divisors (see below), whose sum is σ = 1269576. Its totient is φ = 839040.

The previous prime is 1053383. The next prime is 1053401. The reversal of 1053385 is 5833501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 186624 + 866761 = 432^2 + 931^2 .

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

It is not a de Polignac number, because 1053385 - 2¹ = 1053383 is a prime.

It is a super-2 number, since 2×1053385² = 2219239916450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2055 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (158697).

2^1053385 is an apocalyptic number.

It is an amenable number.

1053385 is a deficient number, since it is larger than the sum of its proper divisors (216191).

1053385 is an equidigital number, since it uses as much as digits as its factorization.

1053385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1053385 is about 1026.3454584106. The cubic root of 1053385 is about 101.7487407958.

Adding to 1053385 its reverse (5833501), we get a palindrome (6886886).

The spelling of 1053385 in words is "one million, fifty-three thousand, three hundred eighty-five".