8725415 has 16 divisors (see below), whose sum is σ = 11079936. Its totient is φ = 6585600.

The previous prime is 8725399. The next prime is 8725421. The reversal of 8725415 is 5145278.

8725415 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8725415 - 2⁴ = 8725399 is a prime.

It is a super-2 number, since 2×8725415² = 152265733844450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5669 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (692496).

Almost surely, 2^8725415 is an apocalyptic number.

8725415 is a deficient number, since it is larger than the sum of its proper divisors (2354521).

8725415 is a wasteful number, since it uses less digits than its factorization.

8725415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 11200, while the sum is 32.

The square root of 8725415 is about 2953.8813449426. The cubic root of 8725415 is about 205.8710900521.

The spelling of 8725415 in words is "eight million, seven hundred twenty-five thousand, four hundred fifteen".