2525277789 has 20 divisors (see below), whose sum is σ = 3807597024. Its totient is φ = 1667778984.

The previous prime is 2525277743. The next prime is 2525277809. The reversal of 2525277789 is 9877725252.

2525277789 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 2525277789 - 2¹⁷ = 2525146717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525277719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137017 + ... + 154350.

Almost surely, 2^2525277789 is an apocalyptic number.

It is an amenable number.

2525277789 is a deficient number, since it is larger than the sum of its proper divisors (1282319235).

2525277789 is a wasteful number, since it uses less digits than its factorization.

2525277789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291486 (or 291477 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 2525277789 is about 50252.1421334454. The cubic root of 2525277789 is about 1361.7677756183.

It can be divided in two parts, 25252 and 77789, that added together give a square (103041 = 321²).

The spelling of 2525277789 in words is "two billion, five hundred twenty-five million, two hundred seventy-seven thousand, seven hundred eighty-nine".