2507663 has 4 divisors (see below), whose sum is σ = 2516808. Its totient is φ = 2498520.

The previous prime is 2507647. The next prime is 2507671. The reversal of 2507663 is 3667052.

2507663 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 2507663 - 2⁴ = 2507647 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁵ + 0 + 7⁷ + 6⁴ + 6⁸ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507693) 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, 4148 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (629202).

2^2507663 is an apocalyptic number.

2507663 is a deficient number, since it is larger than the sum of its proper divisors (9145).

2507663 is an equidigital number, since it uses as much as digits as its factorization.

2507663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 2507663 is about 1583.5602293566. The cubic root of 2507663 is about 135.8594099342.

The spelling of 2507663 in words is "two million, five hundred seven thousand, six hundred sixty-three".