2600613625 has 8 divisors (see below), whose sum is σ = 3245565960. Its totient is φ = 2080490800.

The previous prime is 2600613577. The next prime is 2600613629. The reversal of 2600613625 is 5263160062.

2600613625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21609 + 2600592016 = 147^2 + 50996^2 .

It is not a de Polignac number, because 2600613625 - 2⁷ = 2600613497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2600613629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402330 + ... + 10402579.

It is an arithmetic number, because the mean of its divisors is an integer number (405695745).

Almost surely, 2^2600613625 is an apocalyptic number.

2600613625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2600613625 is a deficient number, since it is larger than the sum of its proper divisors (644952335).

2600613625 is an equidigital number, since it uses as much as digits as its factorization.

2600613625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20804924 (or 20804914 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2600613625 is about 50996.2118691183. The cubic root of 2600613625 is about 1375.1770350565.

Adding to 2600613625 its reverse (5263160062), we get a palindrome (7863773687).

It can be divided in two parts, 2600 and 613625, that added together give a square (616225 = 785²).

The spelling of 2600613625 in words is "two billion, six hundred million, six hundred thirteen thousand, six hundred twenty-five".