2506773 has 4 divisors (see below), whose sum is σ = 3342368. Its totient is φ = 1671180.

The previous prime is 2506759. The next prime is 2506783. The reversal of 2506773 is 3776052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2506773 - 2¹² = 2502677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2506773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506723) 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 3 ways as a sum of consecutive naturals, for example, 417793 + ... + 417798.

It is an arithmetic number, because the mean of its divisors is an integer number (835592).

2^2506773 is an apocalyptic number.

It is an amenable number.

2506773 is a deficient number, since it is larger than the sum of its proper divisors (835595).

2506773 is an equidigital number, since it uses as much as digits as its factorization.

2506773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835594.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 2506773 is about 1583.2791920568. The cubic root of 2506773 is about 135.8433353151.

The spelling of 2506773 in words is "two million, five hundred six thousand, seven hundred seventy-three".