9025815 has 16 divisors (see below), whose sum is σ = 14940000. Its totient is φ = 4647552.

The previous prime is 9025813. The next prime is 9025837. The reversal of 9025815 is 5185209.

9025815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9025815 - 2¹ = 9025813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9025811) 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, 9940 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (933750).

Almost surely, 2^9025815 is an apocalyptic number.

9025815 is a deficient number, since it is larger than the sum of its proper divisors (5914185).

9025815 is a wasteful number, since it uses less digits than its factorization.

9025815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20786.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 9025815 is about 3004.2994191658. The cubic root of 9025815 is about 208.2070715826.

Subtracting from 9025815 its reverse (5185209), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 9025815 in words is "nine million, twenty-five thousand, eight hundred fifteen".