2745712125 has 96 divisors (see below), whose sum is σ = 5363021664. Its totient is φ = 1343462400.

The previous prime is 2745712121. The next prime is 2745712133. The reversal of 2745712125 is 5212175472.

2745712125 is a `hidden beast` number, since 2 + 74 + 571 + 2 + 12 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 1722416004 + 1023296121 = 41502^2 + 31989^2 .

It is not a de Polignac number, because 2745712125 - 2² = 2745712121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2745712125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745712121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2880649 + ... + 2881601.

It is an arithmetic number, because the mean of its divisors is an integer number (55864809).

Almost surely, 2^2745712125 is an apocalyptic number.

2745712125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2745712125 is a deficient number, since it is larger than the sum of its proper divisors (2617309539).

2745712125 is a wasteful number, since it uses less digits than its factorization.

2745712125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1171 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 2745712125 is about 52399.5431754896. The cubic root of 2745712125 is about 1400.2911171817.

Adding to 2745712125 its reverse (5212175472), we get a palindrome (7957887597).

The spelling of 2745712125 in words is "two billion, seven hundred forty-five million, seven hundred twelve thousand, one hundred twenty-five".