25810003085 has 16 divisors (see below), whose sum is σ = 32924914560. Its totient is φ = 19367582400.

The previous prime is 25810003069. The next prime is 25810003097. The reversal of 25810003085 is 58030001852.

It is a happy number.

It is not a de Polignac number, because 25810003085 - 2⁴ = 25810003069 is a prime.

It is a super-3 number, since 3×25810003085³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335377 + ... + 1354566.

It is an arithmetic number, because the mean of its divisors is an integer number (2057807160).

Almost surely, 2^25810003085 is an apocalyptic number.

It is an amenable number.

25810003085 is a deficient number, since it is larger than the sum of its proper divisors (7114911475).

25810003085 is a wasteful number, since it uses less digits than its factorization.

25810003085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690068.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 25810003085 in words is "twenty-five billion, eight hundred ten million, three thousand, eighty-five".