947716225 has 27 divisors (see below), whose sum is σ = 1209939331. Its totient is φ = 736377200.

The previous prime is 947716223. The next prime is 947716279. The reversal of 947716225 is 522617749.

The square root of 947716225 is 30785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 341177841 + 606538384 = 18471^2 + 24628^2 .

It is not a de Polignac number, because 947716225 - 2¹ = 947716223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947716223) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 7234410 + ... + 7234540.

Almost surely, 2^947716225 is an apocalyptic number.

947716225 is the 30785-th square number.

947716225 is the 15393-rd centered octagonal number.

It is an amenable number.

947716225 is a deficient number, since it is larger than the sum of its proper divisors (262223106).

947716225 is an equidigital number, since it uses as much as digits as its factorization.

947716225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 183 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The cubic root of 947716225 is about 982.2592002468.

The spelling of 947716225 in words is "nine hundred forty-seven million, seven hundred sixteen thousand, two hundred twenty-five".