2525277505 has 4 divisors (see below), whose sum is σ = 3030333012. Its totient is φ = 2020222000.

The previous prime is 2525277499. The next prime is 2525277511. The reversal of 2525277505 is 5057725252.

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

It is an interprime number because it is at equal distance from previous prime (2525277499) and next prime (2525277511).

It can be written as a sum of positive squares in 2 ways, for example, as 1132793649 + 1392483856 = 33657^2 + 37316^2 .

It is not a de Polignac number, because 2525277505 - 2³ = 2525277497 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, 252527746 + ... + 252527755.

It is an arithmetic number, because the mean of its divisors is an integer number (757583253).

Almost surely, 2^2525277505 is an apocalyptic number.

It is an amenable number.

2525277505 is a deficient number, since it is larger than the sum of its proper divisors (505055507).

2525277505 is an equidigital number, since it uses as much as digits as its factorization.

2525277505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505055506.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 2525277505 is about 50252.1393076952. The cubic root of 2525277505 is about 1361.7677245688.

The spelling of 2525277505 in words is "two billion, five hundred twenty-five million, two hundred seventy-seven thousand, five hundred five".