6240250805 has 4 divisors (see below), whose sum is σ = 7488300972. Its totient is φ = 4992200640.

The previous prime is 6240250801. The next prime is 6240250811. The reversal of 6240250805 is 5080520426.

6240250805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3040199044 + 3200051761 = 55138^2 + 56569^2 .

It is not a de Polignac number, because 6240250805 - 2² = 6240250801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240250801) 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, 624025076 + ... + 624025085.

It is an arithmetic number, because the mean of its divisors is an integer number (1872075243).

Almost surely, 2^6240250805 is an apocalyptic number.

It is an amenable number.

6240250805 is a deficient number, since it is larger than the sum of its proper divisors (1248050167).

6240250805 is a wasteful number, since it uses less digits than its factorization.

6240250805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248050166.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 6240250805 is about 78995.2581171807. The cubic root of 6240250805 is about 1841.0574817836.

The spelling of 6240250805 in words is "six billion, two hundred forty million, two hundred fifty thousand, eight hundred five".