25253064305 has 16 divisors (see below), whose sum is σ = 34660830720. Its totient is φ = 17302358592.

The previous prime is 25253064299. The next prime is 25253064437. The reversal of 25253064305 is 50346035252.

It is a cyclic number.

It is not a de Polignac number, because 25253064305 - 2⁶ = 25253064241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248345 + ... + 334934.

It is an arithmetic number, because the mean of its divisors is an integer number (2166301920).

Almost surely, 2^25253064305 is an apocalyptic number.

It is an amenable number.

25253064305 is a deficient number, since it is larger than the sum of its proper divisors (9407766415).

25253064305 is a wasteful number, since it uses less digits than its factorization.

25253064305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584528.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 25253064305 its reverse (50346035252), we get a palindrome (75599099557).

The spelling of 25253064305 in words is "twenty-five billion, two hundred fifty-three million, sixty-four thousand, three hundred five".