6264439 has 2 divisors, whose sum is σ = 6264440. Its totient is φ = 6264438.

The previous prime is 6264437. The next prime is 6264481. The reversal of 6264439 is 9344626.

6264439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6264439 - 2¹ = 6264437 is a prime.

Together with 6264437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6264437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3132219 + 3132220.

It is an arithmetic number, because the mean of its divisors is an integer number (3132220).

Almost surely, 2^6264439 is an apocalyptic number.

6264439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6264439 is an equidigital number, since it uses as much as digits as its factorization.

6264439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 6264439 is about 2502.8861340461. The cubic root of 6264439 is about 184.3433157850.

The spelling of 6264439 in words is "six million, two hundred sixty-four thousand, four hundred thirty-nine".