25205701 has 4 divisors (see below), whose sum is σ = 25216192. Its totient is φ = 25195212.

The previous prime is 25205683. The next prime is 25205711. The reversal of 25205701 is 10750252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25205701 - 2⁹ = 25205189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25205711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (6304048).

Almost surely, 2^25205701 is an apocalyptic number.

It is an amenable number.

25205701 is a deficient number, since it is larger than the sum of its proper divisors (10491).

25205701 is an equidigital number, since it uses as much as digits as its factorization.

25205701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 25205701 is about 5020.5279602847. The cubic root of 25205701 is about 293.2015487859.

Adding to 25205701 its reverse (10750252), we get a palindrome (35955953).

The spelling of 25205701 in words is "twenty-five million, two hundred five thousand, seven hundred one".