1053493 has 12 divisors (see below), whose sum is σ = 1281760. Its totient is φ = 845856.

The previous prime is 1053491. The next prime is 1053497. The reversal of 1053493 is 3943501.

It is not a de Polignac number, because 1053493 - 2¹ = 1053491 is a prime.

It is a super-2 number, since 2×1053493² = 2219695002098, which contains 22 as substring.

It is a Duffinian number.

1053493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11793 + ... + 11881.

2^1053493 is an apocalyptic number.

It is an amenable number.

1053493 is a deficient number, since it is larger than the sum of its proper divisors (228267).

1053493 is an frugal number, since it uses more digits than its factorization.

1053493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1053493 is about 1026.3980709257. The cubic root of 1053493 is about 101.7522179950.

Adding to 1053493 its reverse (3943501), we get a palindrome (4996994).

The spelling of 1053493 in words is "one million, fifty-three thousand, four hundred ninety-three".