2506777 has 16 divisors (see below), whose sum is σ = 3122560. Its totient is φ = 1971216.

The previous prime is 2506759. The next prime is 2506783. The reversal of 2506777 is 7776052.

It is not a de Polignac number, because 2506777 - 2⁷ = 2506649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15298 + ... + 15460.

It is an arithmetic number, because the mean of its divisors is an integer number (195160).

2^2506777 is an apocalyptic number.

It is an amenable number.

2506777 is a deficient number, since it is larger than the sum of its proper divisors (615783).

2506777 is an equidigital number, since it uses as much as digits as its factorization.

2506777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 2506777 is about 1583.2804552574. The cubic root of 2506777 is about 135.8434075691.

The spelling of 2506777 in words is "two million, five hundred six thousand, seven hundred seventy-seven".