2255625539 has 4 divisors (see below), whose sum is σ = 2333405760. Its totient is φ = 2177845320.

The previous prime is 2255625511. The next prime is 2255625553. The reversal of 2255625539 is 9355265522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2255625539 - 2¹² = 2255621443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255625539.

It is not an unprimeable number, because it can be changed into a prime (2255625509) 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, 38890067 + ... + 38890124.

It is an arithmetic number, because the mean of its divisors is an integer number (583351440).

Almost surely, 2^2255625539 is an apocalyptic number.

2255625539 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2255625539 is a deficient number, since it is larger than the sum of its proper divisors (77780221).

2255625539 is an equidigital number, since it uses as much as digits as its factorization.

2255625539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77780220.

The product of its digits is 810000, while the sum is 44.

The square root of 2255625539 is about 47493.4262714326. The cubic root of 2255625539 is about 1311.4618684290.

The spelling of 2255625539 in words is "two billion, two hundred fifty-five million, six hundred twenty-five thousand, five hundred thirty-nine".