624047 has 2 divisors, whose sum is σ = 624048. Its totient is φ = 624046.

The previous prime is 624037. The next prime is 624049. The reversal of 624047 is 740426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624047 - 2⁴ = 624031 is a prime.

Together with 624049, 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 (624049) 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 as a sum of consecutive naturals, namely, 312023 + 312024.

It is an arithmetic number, because the mean of its divisors is an integer number (312024).

2⁶²⁴⁰⁴⁷ is an apocalyptic number.

624047 is a deficient number, since it is larger than the sum of its proper divisors (1).

624047 is an equidigital number, since it uses as much as digits as its factorization.

624047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 624047 is about 789.9664549840. The cubic root of 624047 is about 85.4553190390.

The spelling of 624047 in words is "six hundred twenty-four thousand, forty-seven".