2601225516 has 12 divisors (see below), whose sum is σ = 6069526232. Its totient is φ = 867075168.

The previous prime is 2601225511. The next prime is 2601225521. The reversal of 2601225516 is 6155221062.

It is an interprime number because it is at equal distance from previous prime (2601225511) and next prime (2601225521).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2601225511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108384385 + ... + 108384408.

Almost surely, 2^2601225516 is an apocalyptic number.

It is an amenable number.

2601225516 is an abundant number, since it is smaller than the sum of its proper divisors (3468300716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2601225516 is a wasteful number, since it uses less digits than its factorization.

2601225516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216768800 (or 216768798 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2601225516 is about 51002.2108932544. The cubic root of 2601225516 is about 1375.2848804328.

Adding to 2601225516 its reverse (6155221062), we get a palindrome (8756446578).

The spelling of 2601225516 in words is "two billion, six hundred one million, two hundred twenty-five thousand, five hundred sixteen".