6245739 has 12 divisors (see below), whose sum is σ = 9112272. Its totient is φ = 4122000.

The previous prime is 6245731. The next prime is 6245741. The reversal of 6245739 is 9375426.

It is not a de Polignac number, because 6245739 - 2³ = 6245731 is a prime.

It is a super-2 number, since 2×6245739² = 78018511312242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6245731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (759356).

Almost surely, 2^6245739 is an apocalyptic number.

6245739 is a deficient number, since it is larger than the sum of its proper divisors (2866533).

6245739 is a wasteful number, since it uses less digits than its factorization.

6245739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6975 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6245739 is about 2499.1476547015. The cubic root of 6245739 is about 184.1597049936.

The spelling of 6245739 in words is "six million, two hundred forty-five thousand, seven hundred thirty-nine".