6257139 has 24 divisors (see below), whose sum is σ = 10138368. Its totient is φ = 3361920.

The previous prime is 6257129. The next prime is 6257143. The reversal of 6257139 is 9317526.

It is not a de Polignac number, because 6257139 - 2⁴ = 6257123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6257129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5554 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (422432).

Almost surely, 2^6257139 is an apocalyptic number.

6257139 is a deficient number, since it is larger than the sum of its proper divisors (3881229).

6257139 is a wasteful number, since it uses less digits than its factorization.

6257139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1058 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 6257139 is about 2501.4273925101. The cubic root of 6257139 is about 184.2716823813.

The spelling of 6257139 in words is "six million, two hundred fifty-seven thousand, one hundred thirty-nine".