2775252625 has 8 divisors (see below), whose sum is σ = 3463515432. Its totient is φ = 2220202000.

The previous prime is 2775252583. The next prime is 2775252661. The reversal of 2775252625 is 5262525772.

It can be written as a sum of positive squares in 4 ways, for example, as 210134016 + 2565118609 = 14496^2 + 50647^2 .

It is not a de Polignac number, because 2775252625 - 2⁹ = 2775252113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11100886 + ... + 11101135.

It is an arithmetic number, because the mean of its divisors is an integer number (432939429).

Almost surely, 2^2775252625 is an apocalyptic number.

2775252625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775252625 is a deficient number, since it is larger than the sum of its proper divisors (688262807).

2775252625 is an equidigital number, since it uses as much as digits as its factorization.

2775252625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22202036 (or 22202026 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 2775252625 is about 52680.6665200812. Note that the first 3 decimals coincide. The cubic root of 2775252625 is about 1405.2950204300.

The spelling of 2775252625 in words is "two billion, seven hundred seventy-five million, two hundred fifty-two thousand, six hundred twenty-five".