25508085 has 16 divisors (see below), whose sum is σ = 40896576. Its totient is φ = 13576448.

The previous prime is 25508083. The next prime is 25508101. The reversal of 25508085 is 58080552.

It is a cyclic number.

It is not a de Polignac number, because 25508085 - 2¹ = 25508083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25508083) 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, 7357 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (2556036).

Almost surely, 2^25508085 is an apocalyptic number.

It is an amenable number.

25508085 is a deficient number, since it is larger than the sum of its proper divisors (15388491).

25508085 is a wasteful number, since it uses less digits than its factorization.

25508085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 25508085 is about 5050.5529400255. The cubic root of 25508085 is about 294.3693700719.

The spelling of 25508085 in words is "twenty-five million, five hundred eight thousand, eighty-five".