2609153 has 4 divisors (see below), whose sum is σ = 2651988. Its totient is φ = 2566320.

The previous prime is 2609147. The next prime is 2609171. The reversal of 2609153 is 3519062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 2455489 = 392^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609153 - 2⁸ = 2608897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2609353) 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, 21326 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (662997).

It is a Proth number, since it is equal to 637 ⋅ 2¹² + 1 and 637 < 2¹².

2^2609153 is an apocalyptic number.

It is an amenable number.

2609153 is a deficient number, since it is larger than the sum of its proper divisors (42835).

2609153 is an equidigital number, since it uses as much as digits as its factorization.

2609153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42834.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2609153 is about 1615.2872809504. The cubic root of 2609153 is about 137.6680567711.

Subtracting 2609153 from its reverse (3519062), we obtain a palindrome (909909).

The spelling of 2609153 in words is "two million, six hundred nine thousand, one hundred fifty-three".