6457039 has 4 divisors (see below), whose sum is σ = 6529680. Its totient is φ = 6384400.

The previous prime is 6457027. The next prime is 6457079. The reversal of 6457039 is 9307546.

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 6457039 - 2⁵ = 6457007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6456995 and 6457013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457079) 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, 36187 + ... + 36364.

It is an arithmetic number, because the mean of its divisors is an integer number (1632420).

Almost surely, 2^6457039 is an apocalyptic number.

6457039 is a deficient number, since it is larger than the sum of its proper divisors (72641).

6457039 is an equidigital number, since it uses as much as digits as its factorization.

6457039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72640.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 6457039 is about 2541.0704437304. The cubic root of 6457039 is about 186.2134886315.

The spelling of 6457039 in words is "six million, four hundred fifty-seven thousand, thirty-nine".