2651025505 has 4 divisors (see below), whose sum is σ = 3181230612. Its totient is φ = 2120820400.

The previous prime is 2651025499. The next prime is 2651025527. The reversal of 2651025505 is 5055201562.

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 1419857761 + 1231167744 = 37681^2 + 35088^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2651025505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 265102546 + ... + 265102555.

It is an arithmetic number, because the mean of its divisors is an integer number (795307653).

Almost surely, 2^2651025505 is an apocalyptic number.

It is an amenable number.

2651025505 is a deficient number, since it is larger than the sum of its proper divisors (530205107).

2651025505 is an equidigital number, since it uses as much as digits as its factorization.

2651025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530205106.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2651025505 is about 51488.1103265599. The cubic root of 2651025505 is about 1384.0059865381.

The spelling of 2651025505 in words is "two billion, six hundred fifty-one million, twenty-five thousand, five hundred five".