2503066 has 4 divisors (see below), whose sum is σ = 3754602. Its totient is φ = 1251532.

The previous prime is 2503037. The next prime is 2503069. The reversal of 2503066 is 6603052.

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

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 1113025 = 1179^2 + 1055^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2503069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625765 + ... + 625768.

2^2503066 is an apocalyptic number.

2503066 is a deficient number, since it is larger than the sum of its proper divisors (1251536).

2503066 is a wasteful number, since it uses less digits than its factorization.

2503066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251535.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2503066 is about 1582.1080873316. The cubic root of 2503066 is about 135.7763408599.

The spelling of 2503066 in words is "two million, five hundred three thousand, sixty-six".