913225 has 6 divisors (see below), whose sum is σ = 1132430. Its totient is φ = 730560.

The previous prime is 913217. The next prime is 913247. The reversal of 913225 is 522319.

It can be written as a sum of positive squares in 3 ways, for example, as 131769 + 781456 = 363^2 + 884^2 .

It is not a de Polignac number, because 913225 - 2³ = 913217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 913196 and 913205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18240 + ... + 18289.

2⁹¹³²²⁵ is an apocalyptic number.

It is an amenable number.

913225 is a deficient number, since it is larger than the sum of its proper divisors (219205).

913225 is a wasteful number, since it uses less digits than its factorization.

913225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36539 (or 36534 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 913225 is about 955.6280657243. The cubic root of 913225 is about 97.0195518033.

It can be divided in two parts, 9 and 13225, that multiplied together give a square (119025 = 345²).

The spelling of 913225 in words is "nine hundred thirteen thousand, two hundred twenty-five".