916625 has 8 divisors (see below), whose sum is σ = 1144104. Its totient is φ = 733200.

The previous prime is 916621. The next prime is 916633. The reversal of 916625 is 526619.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 654481 = 512^2 + 809^2 .

It is not a de Polignac number, because 916625 - 2² = 916621 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916621) 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, 3542 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (143013).

2⁹¹⁶⁶²⁵ is an apocalyptic number.

It is an amenable number.

916625 is a deficient number, since it is larger than the sum of its proper divisors (227479).

916625 is an equidigital number, since it uses as much as digits as its factorization.

916625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348 (or 7338 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 916625 is about 957.4053478021. The cubic root of 916625 is about 97.1398061943.

The spelling of 916625 in words is "nine hundred sixteen thousand, six hundred twenty-five".