25335325285 has 8 divisors (see below), whose sum is σ = 30406064760. Its totient is φ = 20265810624.

The previous prime is 25335325259. The next prime is 25335325297. The reversal of 25335325285 is 58252353352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 556157889 + 24779167396 = 23583^2 + 157414^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25335325285 - 2⁷ = 25335325157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260062 + ... + 343951.

It is an arithmetic number, because the mean of its divisors is an integer number (3800758095).

Almost surely, 2^25335325285 is an apocalyptic number.

It is an amenable number.

25335325285 is a deficient number, since it is larger than the sum of its proper divisors (5070739475).

25335325285 is an equidigital number, since it uses as much as digits as its factorization.

25335325285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612407.

The product of its digits is 1080000, while the sum is 43.

The spelling of 25335325285 in words is "twenty-five billion, three hundred thirty-five million, three hundred twenty-five thousand, two hundred eighty-five".