47539261225 has 9 divisors (see below), whose sum is σ = 58950035767. Its totient is φ = 38030536840.

The previous prime is 47539261219. The next prime is 47539261243. The reversal of 47539261225 is 52216293574.

The square root of 47539261225 is 218035.

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

47539261225 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., 17114134041 + 30425127184 = 130821^2 + 174428^2 .

It is not a de Polignac number, because 47539261225 - 2¹¹ = 47539259177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1068372 + ... + 1111978.

Almost surely, 2^47539261225 is an apocalyptic number.

47539261225 is the 218035-th square number.

47539261225 is the 109018-th centered octagonal number.

It is an amenable number.

47539261225 is a deficient number, since it is larger than the sum of its proper divisors (11410774542).

47539261225 is an frugal number, since it uses more digits than its factorization.

47539261225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87224 (or 43612 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The spelling of 47539261225 in words is "forty-seven billion, five hundred thirty-nine million, two hundred sixty-one thousand, two hundred twenty-five".