25365074263 has 4 divisors (see below), whose sum is σ = 25366950360. Its totient is φ = 25363198168.

The previous prime is 25365074237. The next prime is 25365074269. The reversal of 25365074263 is 36247056352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25365074263 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 (25365074269) 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 3 ways as a sum of consecutive naturals, for example, 917620 + ... + 944857.

It is an arithmetic number, because the mean of its divisors is an integer number (6341737590).

Almost surely, 2^25365074263 is an apocalyptic number.

25365074263 is a deficient number, since it is larger than the sum of its proper divisors (1876097).

25365074263 is a wasteful number, since it uses less digits than its factorization.

25365074263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876096.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 25365074263 in words is "twenty-five billion, three hundred sixty-five million, seventy-four thousand, two hundred sixty-three".