25082387057 has 8 divisors (see below), whose sum is σ = 30870630336. Its totient is φ = 19845405072.

The previous prime is 25082387009. The next prime is 25082387101. The reversal of 25082387057 is 75078328052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25082387057 - 2²⁴ = 25065609841 is a prime.

It is a super-2 number, since 2×25082387057² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25082387657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137815223 + ... + 137815404.

It is an arithmetic number, because the mean of its divisors is an integer number (3858828792).

Almost surely, 2^25082387057 is an apocalyptic number.

It is an amenable number.

25082387057 is a deficient number, since it is larger than the sum of its proper divisors (5788243279).

25082387057 is a wasteful number, since it uses less digits than its factorization.

25082387057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275630647.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 25082387057 in words is "twenty-five billion, eighty-two million, three hundred eighty-seven thousand, fifty-seven".