2609457 has 4 divisors (see below), whose sum is σ = 3479280. Its totient is φ = 1739636.

The previous prime is 2609443. The next prime is 2609471. The reversal of 2609457 is 7549062.

2609457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (2609443) and next prime (2609471).

It is a cyclic number.

It is not a de Polignac number, because 2609457 - 2⁷ = 2609329 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2609407) 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 3 ways as a sum of consecutive naturals, for example, 434907 + ... + 434912.

It is an arithmetic number, because the mean of its divisors is an integer number (869820).

2^2609457 is an apocalyptic number.

It is an amenable number.

2609457 is a deficient number, since it is larger than the sum of its proper divisors (869823).

2609457 is an equidigital number, since it uses as much as digits as its factorization.

2609457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869822.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2609457 is about 1615.3813791176. The cubic root of 2609457 is about 137.6734032652.

The spelling of 2609457 in words is "two million, six hundred nine thousand, four hundred fifty-seven".