6251102420 has 48 divisors (see below), whose sum is σ = 13384602000. Its totient is φ = 2451833856.

The previous prime is 6251102411. The next prime is 6251102443. The reversal of 6251102420 is 242011526.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1609132996 + 4641969424 = 40114^2 + 68132^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240206 + ... + 264954.

It is an arithmetic number, because the mean of its divisors is an integer number (278845875).

Almost surely, 2^6251102420 is an apocalyptic number.

It is an amenable number.

6251102420 is an abundant number, since it is smaller than the sum of its proper divisors (7133499580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6251102420 is a wasteful number, since it uses less digits than its factorization.

6251102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25004 (or 25002 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6251102420 is about 79063.9135130560. The cubic root of 6251102420 is about 1842.1240456199.

Adding to 6251102420 its reverse (242011526), we get a palindrome (6493113946).

The spelling of 6251102420 in words is "six billion, two hundred fifty-one million, one hundred two thousand, four hundred twenty".