39287385241225 has 27 divisors (see below), whose sum is σ = 53548201889959. Its totient is φ = 28572393093200.

The previous prime is 39287385241207. The next prime is 39287385241229. The reversal of 39287385241225 is 52214258378293.

The square root of 39287385241225 is 6267965.

It is a perfect power (a square), and thus also a powerful number.

39287385241225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14143458686841 + 25143926554384 = 3760779^2 + 5014372^2 .

It is not a de Polignac number, because 39287385241225 - 2²¹ = 39287383144073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39287385241229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 344681094 + ... + 344795056.

Almost surely, 2^{39287385241225} is an apocalyptic number.

39287385241225 is the 6267965-th square number.

39287385241225 is the 3133983-rd centered octagonal number.

It is an amenable number.

39287385241225 is a deficient number, since it is larger than the sum of its proper divisors (14260816648734).

39287385241225 is an frugal number, since it uses more digits than its factorization.

39287385241225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227958 (or 113979 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 39287385241225 in words is "thirty-nine trillion, two hundred eighty-seven billion, three hundred eighty-five million, two hundred forty-one thousand, two hundred twenty-five".