2567506 has 4 divisors (see below), whose sum is σ = 3851262. Its totient is φ = 1283752.

The previous prime is 2567491. The next prime is 2567519. The reversal of 2567506 is 6057652.

2567506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1301881 + 1265625 = 1141^2 + 1125^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641875 + ... + 641878.

2^2567506 is an apocalyptic number.

2567506 is a deficient number, since it is larger than the sum of its proper divisors (1283756).

2567506 is a wasteful number, since it uses less digits than its factorization.

2567506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283755.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2567506 is about 1602.3439081546. The cubic root of 2567506 is about 136.9316440213.

The spelling of 2567506 in words is "two million, five hundred sixty-seven thousand, five hundred six".