25306300263 has 8 divisors (see below), whose sum is σ = 33755938288. Its totient is φ = 16863764544.

The previous prime is 25306300219. The next prime is 25306300267. The reversal of 25306300263 is 36200360352.

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

It is a de Polignac number, because none of the positive numbers 2^k-25306300263 is a prime.

It is a super-2 number, since 2×25306300263² (a number of 22 digits) contains 22 as substring.

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 25306300263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25306300267) 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, 1767256 + ... + 1781517.

It is an arithmetic number, because the mean of its divisors is an integer number (4219492286).

Almost surely, 2^25306300263 is an apocalyptic number.

25306300263 is a deficient number, since it is larger than the sum of its proper divisors (8449638025).

25306300263 is a wasteful number, since it uses less digits than its factorization.

25306300263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551153.

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 25306300263 in words is "twenty-five billion, three hundred six million, three hundred thousand, two hundred sixty-three".