2525287171 has 4 divisors (see below), whose sum is σ = 2754858744. Its totient is φ = 2295715600.

The previous prime is 2525287133. The next prime is 2525287181. The reversal of 2525287171 is 1717825252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525287171 - 2⁷ = 2525287043 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2525287181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114785770 + ... + 114785791.

It is an arithmetic number, because the mean of its divisors is an integer number (688714686).

Almost surely, 2^2525287171 is an apocalyptic number.

2525287171 is a deficient number, since it is larger than the sum of its proper divisors (229571573).

2525287171 is a wasteful number, since it uses less digits than its factorization.

2525287171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229571572.

The product of its digits is 78400, while the sum is 40.

The square root of 2525287171 is about 50252.2354826131. The cubic root of 2525287171 is about 1361.7694620452.

The spelling of 2525287171 in words is "two billion, five hundred twenty-five million, two hundred eighty-seven thousand, one hundred seventy-one".