947282725 has 24 divisors (see below), whose sum is σ = 1199028168. Its totient is φ = 742195200.

The previous prime is 947282711. The next prime is 947282747. The reversal of 947282725 is 527282749.

947282725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 35605089 + 911677636 = 5967^2 + 30194^2 .

It is a de Polignac number, because none of the positive numbers 2^k-947282725 is a prime.

It is a super-2 number, since 2×947282725² = 1794689122166851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390717 + ... + 393133.

It is an arithmetic number, because the mean of its divisors is an integer number (49959507).

Almost surely, 2^947282725 is an apocalyptic number.

It is an amenable number.

947282725 is a deficient number, since it is larger than the sum of its proper divisors (251745443).

947282725 is a wasteful number, since it uses less digits than its factorization.

947282725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 947282725 is about 30777.9584280699. The cubic root of 947282725 is about 982.1094105761.

The spelling of 947282725 in words is "nine hundred forty-seven million, two hundred eighty-two thousand, seven hundred twenty-five".