247607 has 2 divisors, whose sum is σ = 247608. Its totient is φ = 247606.

The previous prime is 247603. The next prime is 247609. The reversal of 247607 is 706742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247607 - 2² = 247603 is a prime.

It is a super-2 number, since 2×247607² = 122618452898, which contains 22 as substring.

Together with 247609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123803 + 123804.

It is an arithmetic number, because the mean of its divisors is an integer number (123804).

2²⁴⁷⁶⁰⁷ is an apocalyptic number.

247607 is a deficient number, since it is larger than the sum of its proper divisors (1).

247607 is an equidigital number, since it uses as much as digits as its factorization.

247607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 247607 is about 497.6012459791. The cubic root of 247607 is about 62.7944083355.

The spelling of 247607 in words is "two hundred forty-seven thousand, six hundred seven".