6250136221 has 8 divisors (see below), whose sum is σ = 7168255424. Its totient is φ = 5338327680.

The previous prime is 6250136209. The next prime is 6250136273. The reversal of 6250136221 is 1226310526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6250136221 - 2¹¹ = 6250134173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6250136221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6250136821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575540 + ... + 1579501.

It is an arithmetic number, because the mean of its divisors is an integer number (896031928).

Almost surely, 2^6250136221 is an apocalyptic number.

It is an amenable number.

6250136221 is a deficient number, since it is larger than the sum of its proper divisors (918119203).

6250136221 is a wasteful number, since it uses less digits than its factorization.

6250136221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155331.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6250136221 is about 79057.8030367654. The cubic root of 6250136221 is about 1842.0291316884.

Adding to 6250136221 its reverse (1226310526), we get a palindrome (7476446747).

The spelling of 6250136221 in words is "six billion, two hundred fifty million, one hundred thirty-six thousand, two hundred twenty-one".