247875 has 16 divisors (see below), whose sum is σ = 413088. Its totient is φ = 132000.

The previous prime is 247873. The next prime is 247879. The reversal of 247875 is 578742.

It is not a de Polignac number, because 247875 - 2¹ = 247873 is a prime.

It is a super-2 number, since 2×247875² = 122884031250, which contains 22 as substring.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247875.

It is not an unprimeable number, because it can be changed into a prime (247873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (25818).

2²⁴⁷⁸⁷⁵ is an apocalyptic number.

247875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247875 is a deficient number, since it is larger than the sum of its proper divisors (165213).

247875 is an equidigital number, since it uses as much as digits as its factorization.

247875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 247875 is about 497.8704650810. The cubic root of 247875 is about 62.8170555593.

The spelling of 247875 in words is "two hundred forty-seven thousand, eight hundred seventy-five".