25530085 has 16 divisors (see below), whose sum is σ = 35868672. Its totient is φ = 17078400.

The previous prime is 25530083. The next prime is 25530133. The reversal of 25530085 is 58003552.

It is not a de Polignac number, because 25530085 - 2¹ = 25530083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (2241792).

Almost surely, 2^25530085 is an apocalyptic number.

It is an amenable number.

25530085 is a deficient number, since it is larger than the sum of its proper divisors (10338587).

25530085 is a wasteful number, since it uses less digits than its factorization.

25530085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25530085 is about 5052.7304499647. The cubic root of 25530085 is about 294.4539741651.

The spelling of 25530085 in words is "twenty-five million, five hundred thirty thousand, eighty-five".