1053693 has 18 divisors (see below), whose sum is σ = 1584414. Its totient is φ = 674544.

The previous prime is 1053691. The next prime is 1053697. The reversal of 1053693 is 3963501.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 79524 = 987^2 + 282^2 .

It is not a de Polignac number, because 1053693 - 2¹ = 1053691 is a prime.

It is a super-2 number, since 2×1053693² = 2220537876498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19855 + ... + 19907.

It is an arithmetic number, because the mean of its divisors is an integer number (88023).

2^1053693 is an apocalyptic number.

It is an amenable number.

1053693 is a deficient number, since it is larger than the sum of its proper divisors (530721).

1053693 is an equidigital number, since it uses as much as digits as its factorization.

1053693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1053693 is about 1026.4954943886. The cubic root of 1053693 is about 101.7586566253.

The spelling of 1053693 in words is "one million, fifty-three thousand, six hundred ninety-three".