6247404247 has 4 divisors (see below), whose sum is σ = 7139890576. Its totient is φ = 5354917920.

The previous prime is 6247404227. The next prime is 6247404271. The reversal of 6247404247 is 7424047426.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6247404247 - 2¹⁵ = 6247371479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6247404227) 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, 446243154 + ... + 446243167.

It is an arithmetic number, because the mean of its divisors is an integer number (1784972644).

Almost surely, 2^6247404247 is an apocalyptic number.

6247404247 is a deficient number, since it is larger than the sum of its proper divisors (892486329).

6247404247 is an equidigital number, since it uses as much as digits as its factorization.

6247404247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892486328.

The product of its (nonzero) digits is 301056, while the sum is 40.

The square root of 6247404247 is about 79040.5228158316. The cubic root of 6247404247 is about 1841.7607050535.

The spelling of 6247404247 in words is "six billion, two hundred forty-seven million, four hundred four thousand, two hundred forty-seven".