6245981 has 12 divisors (see below), whose sum is σ = 7445340. Its totient is φ = 5221440.

The previous prime is 6245969. The next prime is 6245989. The reversal of 6245981 is 1895426.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 5597956 = 805^2 + 2366^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6245981 is a prime.

It is a super-2 number, since 2×6245981² = 78024557304722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245989) 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, 455 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (620445).

Almost surely, 2^6245981 is an apocalyptic number.

It is an amenable number.

6245981 is a deficient number, since it is larger than the sum of its proper divisors (1199359).

6245981 is a wasteful number, since it uses less digits than its factorization.

6245981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164 (or 3157 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 6245981 is about 2499.1960707395. The cubic root of 6245981 is about 184.1620834724.

The spelling of 6245981 in words is "six million, two hundred forty-five thousand, nine hundred eighty-one".