2513805 has 32 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 1132032.

The previous prime is 2513803. The next prime is 2513809. The reversal of 2513805 is 5083152.

It is not a de Polignac number, because 2513805 - 2¹ = 2513803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513801) 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, 9211 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^2513805 is an apocalyptic number.

It is an amenable number.

2513805 is a deficient number, since it is larger than the sum of its proper divisors (2151795).

2513805 is a wasteful number, since it uses less digits than its factorization.

2513805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2513805 is about 1585.4983443700. The cubic root of 2513805 is about 135.9702393069.

Adding to 2513805 its reverse (5083152), we get a palindrome (7596957).

The spelling of 2513805 in words is "two million, five hundred thirteen thousand, eight hundred five".