2502565 has 8 divisors (see below), whose sum is σ = 3234168. Its totient is φ = 1848000.

The previous prime is 2502559. The next prime is 2502571. The reversal of 2502565 is 5652052.

It is an interprime number because it is at equal distance from previous prime (2502559) and next prime (2502571).

It can be written as a sum of positive squares in 4 ways, for example, as 173889 + 2328676 = 417^2 + 1526^2 .

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

It is not a de Polignac number, because 2502565 - 2²¹ = 405413 is a prime.

It is a super-3 number, since 3×2502565³ = 47019429333189636375, which contains 333 as substring.

It is a Duffinian number.

2502565 is a lucky number.

It is a plaindrome in base 15.

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, 19186 + ... + 19315.

It is an arithmetic number, because the mean of its divisors is an integer number (404271).

2^2502565 is an apocalyptic number.

It is an amenable number.

2502565 is a deficient number, since it is larger than the sum of its proper divisors (731603).

2502565 is a wasteful number, since it uses less digits than its factorization.

2502565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38519.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2502565 is about 1581.9497463573. The cubic root of 2502565 is about 135.7672815056.

The spelling of 2502565 in words is "two million, five hundred two thousand, five hundred sixty-five".