25254864763 has 8 divisors (see below), whose sum is σ = 25490141600. Its totient is φ = 25019653248.

The previous prime is 25254864749. The next prime is 25254864779. The reversal of 25254864763 is 36746845252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25254864763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25254864763.

It is not an unprimeable number, because it can be changed into a prime (25255864763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134898 + ... + 1156936.

It is an arithmetic number, because the mean of its divisors is an integer number (3186267700).

Almost surely, 2^25254864763 is an apocalyptic number.

25254864763 is a deficient number, since it is larger than the sum of its proper divisors (235276837).

25254864763 is a wasteful number, since it uses less digits than its factorization.

25254864763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32661.

The product of its digits is 9676800, while the sum is 52.

The spelling of 25254864763 in words is "twenty-five billion, two hundred fifty-four million, eight hundred sixty-four thousand, seven hundred sixty-three".