25285707357 has 32 divisors (see below), whose sum is σ = 35776665600. Its totient is φ = 15840738432.

The previous prime is 25285707323. The next prime is 25285707361. The reversal of 25285707357 is 75370758252.

It is not a de Polignac number, because 25285707357 - 2¹¹ = 25285705309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285707397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5284188 + ... + 5288970.

It is an arithmetic number, because the mean of its divisors is an integer number (1118020800).

Almost surely, 2^25285707357 is an apocalyptic number.

It is an amenable number.

25285707357 is a deficient number, since it is larger than the sum of its proper divisors (10490958243).

25285707357 is a wasteful number, since it uses less digits than its factorization.

25285707357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537.

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 25285707357 in words is "twenty-five billion, two hundred eighty-five million, seven hundred seven thousand, three hundred fifty-seven".