247325 has 12 divisors (see below), whose sum is σ = 330708. Its totient is φ = 182400.

The previous prime is 247309. The next prime is 247337. The reversal of 247325 is 523742.

It can be written as a sum of positive squares in 6 ways, for example, as 103684 + 143641 = 322^2 + 379^2 .

It is not a de Polignac number, because 247325 - 2^{4} = 247309 is a prime.

It is a super-2 number, since 2×247325^{2} = 122339311250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number *n* which added to its sum of digits gives 247325.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 247325.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (27559).

2^{247325} is an apocalyptic number.

247325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247325 is a deficient number, since it is larger than the sum of its proper divisors (83383).

247325 is a wasteful number, since it uses less digits than its factorization.

247325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 779 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 247325 is about 497.3178058345. The cubic root of 247325 is about 62.7705603964.

The spelling of 247325 in words is "two hundred forty-seven thousand, three hundred twenty-five".

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