8725605 has 16 divisors (see below), whose sum is σ = 15955584. Its totient is φ = 3988800.

The previous prime is 8725571. The next prime is 8725609. The reversal of 8725605 is 5065278.

It is a happy number.

It is not a de Polignac number, because 8725605 - 2¹⁴ = 8709221 is a prime.

It is a super-2 number, since 2×8725605² = 152272365232050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41446 + ... + 41655.

It is an arithmetic number, because the mean of its divisors is an integer number (997224).

Almost surely, 2^8725605 is an apocalyptic number.

It is an amenable number.

8725605 is a deficient number, since it is larger than the sum of its proper divisors (7229979).

8725605 is a wasteful number, since it uses less digits than its factorization.

8725605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83116.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 8725605 is about 2953.9135058427. The cubic root of 8725605 is about 205.8725843544.

The spelling of 8725605 in words is "eight million, seven hundred twenty-five thousand, six hundred five".