2509066 has 16 divisors (see below), whose sum is σ = 4323456. Its totient is φ = 1069776.

The previous prime is 2509063. The next prime is 2509079. The reversal of 2509066 is 6609052.

It is not an unprimeable number, because it can be changed into a prime (2509061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (270216).

2^2509066 is an apocalyptic number.

2509066 is a deficient number, since it is larger than the sum of its proper divisors (1814390).

2509066 is a wasteful number, since it uses less digits than its factorization.

2509066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2509066 is about 1584.0031565625. The cubic root of 2509066 is about 135.8847423141.

It can be divided in two parts, 250 and 9066, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 2509066 in words is "two million, five hundred nine thousand, sixty-six".