1009653 has 4 divisors (see below), whose sum is σ = 1346208. Its totient is φ = 673100.

The previous prime is 1009651. The next prime is 1009669. The reversal of 1009653 is 3569001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009653 - 2¹ = 1009651 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168273 + ... + 168278.

It is an arithmetic number, because the mean of its divisors is an integer number (336552).

2^1009653 is an apocalyptic number.

It is an amenable number.

1009653 is a deficient number, since it is larger than the sum of its proper divisors (336555).

1009653 is an equidigital number, since it uses as much as digits as its factorization.

1009653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336554.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1009653 is about 1004.8149083289. The cubic root of 1009653 is about 100.3207368456.

The spelling of 1009653 in words is "one million, nine thousand, six hundred fifty-three".