947245 has 24 divisors (see below), whose sum is σ = 1317600. Its totient is φ = 651456.

The previous prime is 947239. The next prime is 947263. The reversal of 947245 is 542749.

It is not a de Polignac number, because 947245 - 2⁹ = 946733 is a prime.

Its product of digits (10080) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 16026 + ... + 16084.

It is an arithmetic number, because the mean of its divisors is an integer number (54900).

2⁹⁴⁷²⁴⁵ is an apocalyptic number.

947245 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

947245 is a deficient number, since it is larger than the sum of its proper divisors (370355).

947245 is a wasteful number, since it uses less digits than its factorization.

947245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 96 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 947245 is about 973.2651231807. The cubic root of 947245 is about 98.2096373085.

Subtracting from 947245 its reverse (542749), we obtain a square (404496 = 636²).

The spelling of 947245 in words is "nine hundred forty-seven thousand, two hundred forty-five".