25745653 has 8 divisors (see below), whose sum is σ = 26481600. Its totient is φ = 25019808.

The previous prime is 25745641. The next prime is 25745689. The reversal of 25745653 is 35654752.

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 25745653 - 2⁹ = 25745141 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 (25745623) 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 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 7702.

It is an arithmetic number, because the mean of its divisors is an integer number (3310200).

Almost surely, 2^25745653 is an apocalyptic number.

It is an amenable number.

25745653 is a deficient number, since it is larger than the sum of its proper divisors (735947).

25745653 is an equidigital number, since it uses as much as digits as its factorization.

25745653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 126000, while the sum is 37.

The square root of 25745653 is about 5074.0174418305. The cubic root of 25745653 is about 295.2804113375.

Subtracting 25745653 from its reverse (35654752), we obtain a palindrome (9909099).

The spelling of 25745653 in words is "twenty-five million, seven hundred forty-five thousand, six hundred fifty-three".