2505567 has 8 divisors (see below), whose sum is σ = 3418624. Its totient is φ = 1631448.

The previous prime is 2505557. The next prime is 2505611. The reversal of 2505567 is 7655052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2505567 - 2⁸ = 2505311 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 (2505527) 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, 9583 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (427328).

2^2505567 is an apocalyptic number.

2505567 is a deficient number, since it is larger than the sum of its proper divisors (913057).

2505567 is a wasteful number, since it uses less digits than its factorization.

2505567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19469.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2505567 is about 1582.8982911103. The cubic root of 2505567 is about 135.8215472312.

The spelling of 2505567 in words is "two million, five hundred five thousand, five hundred sixty-seven".