2513505 has 32 divisors (see below), whose sum is σ = 4249728. Its totient is φ = 1267200.

The previous prime is 2513503. The next prime is 2513507. The reversal of 2513505 is 5053152.

It is an interprime number because it is at equal distance from previous prime (2513503) and next prime (2513507).

It is not a de Polignac number, because 2513505 - 2¹ = 2513503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37482 + ... + 37548.

It is an arithmetic number, because the mean of its divisors is an integer number (132804).

2^2513505 is an apocalyptic number.

It is an amenable number.

2513505 is a deficient number, since it is larger than the sum of its proper divisors (1736223).

2513505 is a wasteful number, since it uses less digits than its factorization.

2513505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2513505 is about 1585.4037340690. The cubic root of 2513505 is about 135.9648301503.

Adding to 2513505 its reverse (5053152), we get a palindrome (7566657).

It can be divided in two parts, 25 and 13505, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 2513505 in words is "two million, five hundred thirteen thousand, five hundred five".