2508565 has 8 divisors (see below), whose sum is σ = 3040128. Its totient is φ = 1986960.

The previous prime is 2508559. The next prime is 2508581. The reversal of 2508565 is 5658052.

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

It is not a de Polignac number, because 2508565 - 2³ = 2508557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (380016).

2^2508565 is an apocalyptic number.

It is an amenable number.

2508565 is a deficient number, since it is larger than the sum of its proper divisors (531563).

2508565 is a wasteful number, since it uses less digits than its factorization.

2508565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2508565 is about 1583.8450050431. The cubic root of 2508565 is about 135.8756974095.

The spelling of 2508565 in words is "two million, five hundred eight thousand, five hundred sixty-five".