909625 has 16 divisors (see below), whose sum is σ = 1198080. Its totient is φ = 687600.

The previous prime is 909613. The next prime is 909631. The reversal of 909625 is 526909.

It is not a de Polignac number, because 909625 - 2⁹ = 909113 is a prime.

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, 2184 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (74880).

2⁹⁰⁹⁶²⁵ is an apocalyptic number.

909625 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

909625 is a deficient number, since it is larger than the sum of its proper divisors (288455).

909625 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (909624) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (407).

909625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 909625 is about 953.7426277566. The cubic root of 909625 is about 96.8918978501.

The spelling of 909625 in words is "nine hundred nine thousand, six hundred twenty-five".