2606451 has 4 divisors (see below), whose sum is σ = 3475272. Its totient is φ = 1737632.

The previous prime is 2606437. The next prime is 2606459. The reversal of 2606451 is 1546062.

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

It is a cyclic number.

It is not a de Polignac number, because 2606451 - 2¹³ = 2598259 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2606459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434406 + ... + 434411.

It is an arithmetic number, because the mean of its divisors is an integer number (868818).

2^2606451 is an apocalyptic number.

2606451 is a deficient number, since it is larger than the sum of its proper divisors (868821).

2606451 is an equidigital number, since it uses as much as digits as its factorization.

2606451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868820.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2606451 is about 1614.4506805722. The cubic root of 2606451 is about 137.6205180272.

The spelling of 2606451 in words is "two million, six hundred six thousand, four hundred fifty-one".