2502505 has 4 divisors (see below), whose sum is σ = 3003012. Its totient is φ = 2002000.

The previous prime is 2502481. The next prime is 2502527. The reversal of 2502505 is 5052052.

2502505 = T₉₉₈ + T₉₉₉ + ... + T₁₀₀₂.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1283689 + 1218816 = 1133^2 + 1104^2 .

It is not a de Polignac number, because 2502505 - 2⁵ = 2502473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250246 + ... + 250255.

It is an arithmetic number, because the mean of its divisors is an integer number (750753).

2^2502505 is an apocalyptic number.

It is an amenable number.

2502505 is a deficient number, since it is larger than the sum of its proper divisors (500507).

2502505 is an equidigital number, since it uses as much as digits as its factorization.

2502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500506.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2502505 is about 1581.9307823037. The cubic root of 2502505 is about 135.7661964719.

Adding to 2502505 its reverse (5052052), we get a palindrome (7554557).

The spelling of 2502505 in words is "two million, five hundred two thousand, five hundred five".