6240081 has 4 divisors (see below), whose sum is σ = 8320112. Its totient is φ = 4160052.

The previous prime is 6240079. The next prime is 6240089. The reversal of 6240081 is 1800426.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6240081 - 2¹ = 6240079 is a prime.

It is a super-2 number, since 2×6240081² = 77877221773122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240089) 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, 1040011 + ... + 1040016.

It is an arithmetic number, because the mean of its divisors is an integer number (2080028).

Almost surely, 2^6240081 is an apocalyptic number.

It is an amenable number.

6240081 is a deficient number, since it is larger than the sum of its proper divisors (2080031).

6240081 is a wasteful number, since it uses less digits than its factorization.

6240081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080030.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6240081 is about 2498.0154122823. The cubic root of 6240081 is about 184.1040782476.

It can be divided in two parts, 62400 and 81, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 6240081 in words is "six million, two hundred forty thousand, eighty-one".