2505767 has 4 divisors (see below), whose sum is σ = 2733576. Its totient is φ = 2277960.

The previous prime is 2505743. The next prime is 2505773. The reversal of 2505767 is 7675052.

It is a happy number.

2505767 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 is a cyclic number.

It is not a de Polignac number, because 2505767 - 2¹⁸ = 2243623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505707) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 113888 + ... + 113909.

It is an arithmetic number, because the mean of its divisors is an integer number (683394).

2^2505767 is an apocalyptic number.

2505767 is a deficient number, since it is larger than the sum of its proper divisors (227809).

2505767 is a wasteful number, since it uses less digits than its factorization.

2505767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227808.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2505767 is about 1582.9614651027. The cubic root of 2505767 is about 135.8251609956.

The spelling of 2505767 in words is "two million, five hundred five thousand, seven hundred sixty-seven".