25303967953 has 32 divisors (see below), whose sum is σ = 30040496640. Its totient is φ = 21065909760.

The previous prime is 25303967947. The next prime is 25303967971. The reversal of 25303967953 is 35976930352.

It is a cyclic number.

It is not a de Polignac number, because 25303967953 - 2¹³ = 25303959761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25303967953.

It is not an unprimeable number, because it can be changed into a prime (25303967903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857226 + ... + 886252.

It is an arithmetic number, because the mean of its divisors is an integer number (938765520).

Almost surely, 2^25303967953 is an apocalyptic number.

It is an amenable number.

25303967953 is a deficient number, since it is larger than the sum of its proper divisors (4736528687).

25303967953 is a wasteful number, since it uses less digits than its factorization.

25303967953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29197.

The product of its (nonzero) digits is 4592700, while the sum is 52.

The spelling of 25303967953 in words is "twenty-five billion, three hundred three million, nine hundred sixty-seven thousand, nine hundred fifty-three".