25330330775 has 6 divisors (see below), whose sum is σ = 31409610192. Its totient is φ = 20264264600.

The previous prime is 25330330699. The next prime is 25330330843. The reversal of 25330330775 is 57703303352.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25330330775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506606591 + ... + 506606640.

It is an arithmetic number, because the mean of its divisors is an integer number (5234935032).

Almost surely, 2^25330330775 is an apocalyptic number.

25330330775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25330330775 is a deficient number, since it is larger than the sum of its proper divisors (6079279417).

25330330775 is a wasteful number, since it uses less digits than its factorization.

25330330775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013213241 (or 1013213236 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 38.

The spelling of 25330330775 in words is "twenty-five billion, three hundred thirty million, three hundred thirty thousand, seven hundred seventy-five".