247097 has 4 divisors (see below), whose sum is σ = 249600. Its totient is φ = 244596.

The previous prime is 247087. The next prime is 247099. The reversal of 247097 is 790742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 247097 - 2¹⁰ = 246073 is a prime.

It is a super-2 number, since 2×247097² = 122113854818, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247097.

It is not an unprimeable number, because it can be changed into a prime (247099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (62400).

2²⁴⁷⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

247097 is a deficient number, since it is larger than the sum of its proper divisors (2503).

247097 is a wasteful number, since it uses less digits than its factorization.

247097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 247097 is about 497.0885233034. The cubic root of 247097 is about 62.7512658274.

The spelling of 247097 in words is "two hundred forty-seven thousand, ninety-seven".