2625027845 has 18 divisors (see below), whose sum is σ = 3464096454. Its totient is φ = 1908194640.

The previous prime is 2625027841. The next prime is 2625027869. The reversal of 2625027845 is 5487205262.

It can be written as a sum of positive squares in only one way, i.e., 2100022276 + 525005569 = 45826^2 + 22913^2 .

It is not a de Polignac number, because 2625027845 - 2² = 2625027841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625027841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1259174 + ... + 1261256.

It is an arithmetic number, because the mean of its divisors is an integer number (192449803).

Almost surely, 2^2625027845 is an apocalyptic number.

It is an amenable number.

2625027845 is a deficient number, since it is larger than the sum of its proper divisors (839068609).

2625027845 is an frugal number, since it uses more digits than its factorization.

2625027845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 2625027845 is about 51235.0255684527. The cubic root of 2625027845 is about 1379.4669657761.

The spelling of 2625027845 in words is "two billion, six hundred twenty-five million, twenty-seven thousand, eight hundred forty-five".