2547241245 has 48 divisors (see below), whose sum is σ = 4580587440. Its totient is φ = 1307916288.

The previous prime is 2547241241. The next prime is 2547241247. The reversal of 2547241245 is 5421427452.

It can be written as a sum of positive squares in 8 ways, for example, as 166874724 + 2380366521 = 12918^2 + 48789^2 .

It is not a de Polignac number, because 2547241245 - 2² = 2547241241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547241241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484149 + ... + 489381.

It is an arithmetic number, because the mean of its divisors is an integer number (95428905).

Almost surely, 2^2547241245 is an apocalyptic number.

It is an amenable number.

2547241245 is a deficient number, since it is larger than the sum of its proper divisors (2033346195).

2547241245 is a wasteful number, since it uses less digits than its factorization.

2547241245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5643 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 2547241245 is about 50470.2015549770. The cubic root of 2547241245 is about 1365.7043500891.

Adding to 2547241245 its reverse (5421427452), we get a palindrome (7968668697).

The spelling of 2547241245 in words is "two billion, five hundred forty-seven million, two hundred forty-one thousand, two hundred forty-five".