2547201285 has 12 divisors (see below), whose sum is σ = 4415148972. Its totient is φ = 1358507328.

The previous prime is 2547201259. The next prime is 2547201287. The reversal of 2547201285 is 5821027452.

It is a happy number.

2547201285 is a `hidden beast` number, since 2 + 547 + 20 + 12 + 85 = 666.

2547201285 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 2 ways, for example, as 856264644 + 1690936641 = 29262^2 + 41121^2 .

It is not a de Polignac number, because 2547201285 - 2⁷ = 2547201157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547201287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28302192 + ... + 28302281.

It is an arithmetic number, because the mean of its divisors is an integer number (367929081).

Almost surely, 2^2547201285 is an apocalyptic number.

It is an amenable number.

2547201285 is a deficient number, since it is larger than the sum of its proper divisors (1867947687).

2547201285 is a wasteful number, since it uses less digits than its factorization.

2547201285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56604484 (or 56604481 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2547201285 is about 50469.8056762655. The cubic root of 2547201285 is about 1365.6972085287.

The spelling of 2547201285 in words is "two billion, five hundred forty-seven million, two hundred one thousand, two hundred eighty-five".