25305753 has 16 divisors (see below), whose sum is σ = 36893376. Its totient is φ = 15301440.

The previous prime is 25305697. The next prime is 25305757. The reversal of 25305753 is 35750352.

It is not a de Polignac number, because 25305753 - 2⁶ = 25305689 is a prime.

It is a super-2 number, since 2×25305753² = 1280762269794018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25305753.

It is not an unprimeable number, because it can be changed into a prime (25305757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24475 + ... + 25487.

It is an arithmetic number, because the mean of its divisors is an integer number (2305836).

Almost surely, 2^25305753 is an apocalyptic number.

It is an amenable number.

25305753 is a deficient number, since it is larger than the sum of its proper divisors (11587623).

25305753 is a wasteful number, since it uses less digits than its factorization.

25305753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 25305753 is about 5030.4823824361. The cubic root of 25305753 is about 293.5889832515.

The spelling of 25305753 in words is "twenty-five million, three hundred five thousand, seven hundred fifty-three".