25615085 has 8 divisors (see below), whose sum is σ = 30973536. Its totient is φ = 20335120.

The previous prime is 25615069. The next prime is 25615087. The reversal of 25615085 is 58051652.

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

It is not a de Polignac number, because 25615085 - 2⁴ = 25615069 is a prime.

It is a super-2 number, since 2×25615085² = 1312265159114450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25615087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18899 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (3871692).

Almost surely, 2^25615085 is an apocalyptic number.

It is an amenable number.

25615085 is a deficient number, since it is larger than the sum of its proper divisors (5358451).

25615085 is a wasteful number, since it uses less digits than its factorization.

25615085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 25615085 is about 5061.1347541831. The cubic root of 25615085 is about 294.7803977069.

The spelling of 25615085 in words is "twenty-five million, six hundred fifteen thousand, eighty-five".