247095 has 36 divisors (see below), whose sum is σ = 478920. Its totient is φ = 117504.

The previous prime is 247087. The next prime is 247099. The reversal of 247095 is 590742.

It is not a de Polignac number, because 247095 - 2³ = 247087 is a prime.

It is a super-2 number, since 2×247095² = 122111878050, which contains 22 as substring.

247095 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247099) 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 35 ways as a sum of consecutive naturals, for example, 12996 + ... + 13014.

2²⁴⁷⁰⁹⁵ is an apocalyptic number.

247095 is a deficient number, since it is larger than the sum of its proper divisors (231825).

247095 is a wasteful number, since it uses less digits than its factorization.

247095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 247095 is about 497.0865115853. The cubic root of 247095 is about 62.7510965243.

The spelling of 247095 in words is "two hundred forty-seven thousand, ninety-five".