2606451215 has 4 divisors (see below), whose sum is σ = 3127741464. Its totient is φ = 2085160968.

The previous prime is 2606451181. The next prime is 2606451227. The reversal of 2606451215 is 5121546062.

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 2606451215 - 2¹² = 2606447119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260645117 + ... + 260645126.

It is an arithmetic number, because the mean of its divisors is an integer number (781935366).

Almost surely, 2^2606451215 is an apocalyptic number.

2606451215 is a deficient number, since it is larger than the sum of its proper divisors (521290249).

2606451215 is an equidigital number, since it uses as much as digits as its factorization.

2606451215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521290248.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2606451215 is about 51053.4153118085. The cubic root of 2606451215 is about 1376.2052181118.

Adding to 2606451215 its reverse (5121546062), we get a palindrome (7727997277).

The spelling of 2606451215 in words is "two billion, six hundred six million, four hundred fifty-one thousand, two hundred fifteen".