2518340825 has 72 divisors (see below), whose sum is σ = 4216355136. Its totient is φ = 1448928000.

The previous prime is 2518340813. The next prime is 2518340857. The reversal of 2518340825 is 5280438152.

2518340825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2518340825 - 2⁶ = 2518340761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 321455 + ... + 329195.

It is an arithmetic number, because the mean of its divisors is an integer number (58560488).

Almost surely, 2^2518340825 is an apocalyptic number.

2518340825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2518340825 is a deficient number, since it is larger than the sum of its proper divisors (1698014311).

2518340825 is a wasteful number, since it uses less digits than its factorization.

2518340825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795 (or 7777 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2518340825 is about 50183.0730924283. The cubic root of 2518340825 is about 1360.5197020782.

Adding to 2518340825 its reverse (5280438152), we get a palindrome (7798778977).

It can be divided in two parts, 2518 and 340825, that added together give a palindrome (343343).

The spelling of 2518340825 in words is "two billion, five hundred eighteen million, three hundred forty thousand, eight hundred twenty-five".